Referring Clues

• First of three-in-a-row
• Opening in "Hollywood Squares"
• The first X of X-X-X
• Quirk
• Certain X
• Behavioral quirk
• Facial movement
• Facial spasm
• Twitch
• Game opener
• The first X?
• Spasm
• Jerk
• Idiosyncrasy
• Personal quirk
• Muscle spasm
• Sudden contraction
• Start of a simple game
• An X could represent it
• Foible
• ___-tac-toe
• The first O of O-O-O
• Part of three-in-a-row
• Quirky behavior
• One might be verbal
• X-X-X part
• Start of a winning combination
• Certain X or O
• Muscle movement
• ___ Tacs (breath mints)
• Peculiarity
• Quirky habit
• Odd mannerism
• First X, potentially
• "___ Tac Dough"
• Muscle problem
• Nervous twitch
• Habitual spasm
• Sign of nerves
• Start of a pencil-and-paper game
• Sign of guilt, perhaps
• Recurring blink, say
• Sign of nerves, perhaps
• Behavioral aberration
• Little jerk
• Small throe
• Square one?
• The first X of XXX
• Nervous mannerism
• Unconscious quirk
• ___ Tac (breath freshener)
• Tourette's movement
• Mannerism
• First X or O
• Small spasmodic reaction
• It can't be helped
• Half a mint
• Quirky trait
• ___-tac-toe
• First of three O's, perhaps
• Start of a grid game
• Start of a grid-based game
• Opening in "Hollywood Squares," essentially
• A little jerk?
• "___ Tac Dough" (game show)
• Uncontrollable movement
• First X
• Involuntary muscular contraction
• Facial twitch
• First O
• "___-Tac-Dough" (quiz show)
• Sign of stress
• Nervous reaction
• Odd habit
• Recurrent twitch
• X or O, in a game
• One-third of a child's game
• First of a game trio
• Small spasm
• Persistent personal quirk
• Game name start
• First X, maybe
• Half a mint?
• It could be represented by an "X"
• Contraction of a sort
• First X or O, say
• Bad liar's giveaway
• Mannerism or spasm
• First O of O-O-O
• Personality quirk
• Quirk or jerk
• "___ Tac Dough" (game show)
• Half a breath mint?
• Part of OOO
• Habitual jerk
• "Twitch," minus every other letter
• Nervous twinge
• Little spasm
• "___-Tac-Dough"
• A kind of twitch
• First O, say
• First correct "Hollywood Squares" square
• Nervous movement
• First correct "Hollywood Squares" spot
• First "O" of O-O-O
• First of three X's or O's
• ___ -tac-toe
• Involuntary contraction
• Nervous habit
• First X or O?
• First O, maybe
• First X?
• First 'O'?
• ___ Tac
• ___ Tac (breath mint)
• Muscle jerk
• '___ Tac Dough'
• Muscular contraction
• First X, say
• "___ Tac Dough" (old game show)
• Muscular twitch
• With 24- and 45-Across, game represented by this completed puzzle's grid
• Square one of a child's game?
• Involuntary muscle movement
• One of the X's in X-X-X
• Starting O, maybe
• One of the X's in XXX
• Poker table tell, maybe
• Involuntary movement
• Involuntary sign of nerves
• Small jerk
• Involuntary spasm
• Little jerk?
• Jerk or quirk
• Tiny spasm
• Poker game tell, maybe
• Minor facial spasm, say
• Not too big a jerk
• Constantly twirling a lock of hair, e.g.
• ___ Tac (mint)
• Part of O-O-O
• Hold 'em tell, maybe
• Tac's minty partner
• Partner of toc
• Nystagmus
• Involuntary wink, maybe
• Neurotic spasm
• -tac-toe
• Part of X-X-X
• First X in a game
• Quirk of behavior
• First o in o-o-o
• Tourette's symptom
• Uncontrolled contraction
• It may be a sign of stress
• With 48-Across, Altoids alternative
• Part of XXX
• Constantly adjusting one's glasses, e.g.
• It can be an X or an O
• Habitual idiosyncrasy
• First syllable of a simple game
• Involuntary twitch, e.g.
• An habitual twitch
• Sudden facial contraction
• Recurrent behavior
• "___-Tac-Dough": TV game show
• Behavioral oddity
• Rapid blinking, e.g.
• It may be nervous
• One may be nervous
• Sign of nervousness
• Obsession
• Muscle twitch
• Odd movement
• "Hollywood Squares" square
• X, in some games
• First word of a game with X's and O's
• First X or O, in a game
• First of three-in-a-row, in a game
• Involuntary habitual response
• Twitching
• Sign of nerves in a politician
• Convulsive twitch (of face)
• Jerky movement
• Convulsive twitching
• Mo's audible nervous habit
• Sudden movement
• Brief movement
• Undesirable movement practically contained
• Movement of authentication
• With 40- and 43-Across, game that's been played in each of this puzzle's corners
• Rapid eye blinking, e.g.
• Child's game opening
• Constantly cracking one's knuckles, e.g.
• Nervous ___
• Involuntary wink, e.g.
• Repetitive throat-clearing, e.g.
• Involuntary twitch
• Part of balletic movement that's involuntary
• Localised habitual twitch, especially to the face
• Twitch regularly observed
• First O of OOO
• ___ Tac (brand of breath mints)
• One might be nervous
• Nervous motion
• Involuntary jerk
• Idiosyncratic contraction
• Periodically tugging on one's ear, say
• Breath mint word
• Throat clearing, perhaps
• A bit of a twitch, somehow
• Sign of nerves, maybe (2)
• Uncontrollable spasm
• Start of a paper-and-pencil game
• Personal hallmark
• First of a game's three-in-a-row
• Muscle trouble, albeit spasmodic
• ___ Tac mints
• Idiosyncratic habit
• Nose scrunching, e.g.
• Little jerk?
• Sudden spasm
• Nose twitch, e.g.
• Involuntary habit
• Poker game tell, perhaps
• Constant grimacing, e.g.
• With 3 Down, Certs alternative
• Constant knuckle-cracking, e.g.
• Constant lip-chewing, e.g.
• A noticeable twitchiness
• Start of a simple game name
• First "O" in a game
• First of three X's
• First syllable of a kids' menu game
• ___ Tacs
• Word one of three involving X's and O's
• Bit of a jerk
• Involuntary jerk, e.g.
• Little bit of personality
• With 50 and 55 Across, the "central" theme
• Wrinkling one's nose, perhaps
• What the odd letters in "twitch" spell
• First of three game X's
• Syllable before "Tac" or "-tac-toe"
• Idiosyncratic twitch
• Eccentricity
• Check mark*
• Part of OOO, in a game
• The X of X-O-O in a losing game
• Syllable before "tac" in a game
• *Strategic maneuver
• Half a mint?
• Tac and Toe's buddy
• Recurring facial twitch
• Third of a game?
• First X, in a common game
• It can precede or follow tac
• Eye twitch, maybe
• Idiosyncratic behavior
• Start of X-X-X
• Classic game opener
• Trouble at the optical centre?
• Game piece?
• Twirling one's hair, e.g.
• Start of a winning row
• ___ Tacs (mints)
• First of three O's
• Recurring quirk
• Start of a pencil game