1. 古怪的;乖僻的;滑稽可笑的
If you describe something or someone as wacky, you mean that they are eccentric, unusual, and often funny.
1. informal or slang terms for mentally irregular
e.g. it used to drive my husband balmy
Synonym: balmybarmybatsbattybonkersbuggycrackedcrackersdaftdottyfruityhaywirekookykookielocoloonyloopynutsnuttyround the bendaround the bendwhacky
2. ludicrous, foolish
e.g. gave me a cockamamie reason for not going
wore a goofy hat
a silly idea
some wacky plan for selling more books