Meaning & Definition
adjective
funny or silly in a way that is unusual or unexpected
The comedian's wacky antics had the audience in stitches.
eccentric or unconventional in behavior or ideas
Her wacky sense of style made her stand out in the crowd.
playfully strange or absurd
They organized a wacky relay race that included wearing oversized costumes.
characterized by unpredictable or erratic behavior
His wacky invention—a cardboard robot—caught the attention of local media.
Etymology
American English, possibly a variant of 'whacky', in use since the 1960s.
Common Phrases and Expressions
wacky races:
A humorous competition involving unusual vehicles or participants.
wacky world:
A reference to a chaotic and unpredictable situation.
Slang Meanings
Crazy or foolish behavior.
That party was so wacky, everyone was dancing on tables!
An amusingly silly thing.
He made a wacky video that went viral.