| berserk(adjective, silly, foolish, crazy) |
| enthusiastic(adjective, keen, informal, passionate, excited) |
| flipped(silly, foolish, insane, unwise) |
| flipped out(expression, silly, foolish, crazy) |
| freaked out(expression, silly, foolish, insane) |
| mad as a March hare(expression, idiom, silly, foolish) |
| mad as a hatter(expression, adjective, idiom, silly, foolish) |
| madman(noun, adjective, crazy, odd) |
| mentally strange(expression, silly, foolish, insane) |
| nutty as fruitcake(expression, idiom, silly, foolish) |
| off one's head(expression, adjective, idiom, crazy) |
| rash(adjective, crazy, odd, insane) |
| reckless(adjective, crazy, odd, insane) |
| screw loose(expression, silly, foolish, insane) |
| vehement(adjective, keen, warm, passionate, excited) |
| agonized(adjective, crazy, odd, insane) |
| ape(silly, foolish, crazy, insane) |
| bedlamite(adjective, simple, silly, foolish, crazy) |
| dingy(silly, foolish, insane, unwise) |
| distracted(adjective, crazy, odd, insane) |