| bughouse |
| cackle(noun, verb, ululation, ululate) |
| call(noun, verb, ululation, ululate) |
| caw(noun, verb, ululation, ululate) |
| chatter(noun, verb, ululation, ululate) |
| cluck(noun, verb, ululation, ululate) |
| coo(noun, verb, ululation, ululate) |
| eccentric(noun, adjective, silly, foolish, crazy) |
| fathead |
| gobble(noun, verb, ululation, ululate) |
| goofball |
| honk(noun, verb, ululation, ululate) |
| hoot(noun, verb, ululation, ululate) |
| inane(adjective, silly, foolish, unwise) |
| irrational(adjective, wrong, wild, silly, foolish) |
| maniacal(adjective, silly, stupid, crazy, mad) |
| nonsensical(adjective, silly, foolish, unwise) |
| out to lunch(expression, adjective, idiom, silly, mad) |
| parrot(noun, imitation, bird) |
| psychotic(noun, adjective, silly, foolish, stupid) |