| Sign of nerves, perhaps | 23 |
| Recurring blink, say | 20 |
| Quirky behavior | 15 |
| Poker game tell, maybe | 22 |
| One-third of a child's game | 31 |
| Neuralgic symptom | 17 |
| Muscular twitch | 15 |
| Mannerism or spasm | 18 |
| It can't be helped | 22 |
| Game name start | 15 |
| First X? | 8 |
| First X, maybe | 14 |
| First X or O, say | 17 |
| First of a game trio | 20 |
| First correct "Hollywood Squares" square | 50 |
| First "O" of O-O-O | 28 |
| An X could represent it | 23 |
| X, in some games | 16 |
| Uncontrolled contraction | 24 |
| Uncontrollable spasm | 20 |
| Tourette's movement | 23 |
| The first X? | 12 |
| The first X of XXX | 18 |
| The first X of X-X-X | 20 |
| Tac toe starter | 15 |
| Starting O, maybe | 17 |
| Start of O and X game | 21 |
| Start of a winning line | 23 |
| Start of a grid game | 20 |
| Square one of a child's game? | 33 |
| Small throe | 11 |
| Small spasmodic reaction | 24 |
| Slight jerk | 11 |
| Sign of stress, sometimes | 25 |
| Sign of guilt, perhaps | 22 |
| Repetitive throat-clearing, e.g. | 32 |
| Quirky trait | 12 |
| Quirk or jerk | 13 |
| Quick contraction | 17 |
| Poker table tell, maybe | 23 |
| Particularity | 13 |
| Part of three-in-a-row | 22 |
| Opening in "Hollywood Squares," essentially | 53 |
| One X of XXX | 12 |
| One of the X's in XXX | 25 |
| One of the X's in X-X-X | 27 |
| One of a game trio | 18 |
| One might be verbal | 19 |
| Odd habit | 9 |
| Not too big a jerk | 18 |
| Nervous twinge | 14 |
| Nerve spasm | 11 |
| Muscle movement | 15 |
| Minor spasm | 11 |
| Minor facial spasm, say | 23 |
| Minor facial malady | 19 |
| Little jerk? | 12 |
| Jerk or quirk | 13 |
| It could be represented by an "X" | 43 |
| Involuntary wink, e.g. | 22 |
| Involuntary wink | 16 |
| Involuntary sign of nerves | 26 |
| Hand shake? | 11 |
| Half a mint | 11 |
| Habitual spasm | 14 |
| Habitual jerk | 13 |
| Habit, of a sort | 16 |
| First X, say | 12 |
| First X, potentially | 20 |
| First of three O's, perhaps | 31 |
| First of three in a pencil/paper game | 37 |
| First of the toe trio | 21 |
| First O, say | 12 |
| First O, maybe | 14 |
| First O | 7 |
| First correct "Hollywood Squares" spot | 48 |
| Facial problem | 14 |
| Facial movement | 15 |
| Contraction of a sort | 21 |
| Certain X | 9 |
| Behavioral oddity | 17 |
| Behavioral aberration | 21 |
| Bad liar's giveaway | 23 |
| A little jerk? | 14 |
| A kind of twitch | 16 |
| "Twitch," minus every other letter | 44 |
| "A Nervous ___ Motion of the Head to the Left" (Andrew Bird song) | 75 |
| "___-Tac-Dough" (quiz show) | 37 |
| "___-Tac-Dough" | 25 |
| "___ Tac Dough" (old game show) | 41 |
| ''___ Tac Dough'' (game show) | 45 |
| -- Tac (breath mint) | 20 |
| -- Tac | 6 |
| _____-tac-toe | 13 |
| ___ Tacs (breath mints) | 23 |
| Costa Rican woman, casually | 27 |
| City downriver from Rome | 24 |
| Children's game in Honduras | 31 |
| Old Thai coin | 13 |
| Thai's money | 16 |