Definition of whacko adjective from the Oxford Advanced Learner's Dictionary

 

whacko

 adjective
(also wacko)adjective
BrE BrE//ˈwækəʊ//
 
; NAmE NAmE//ˈwækoʊ//
 
(informal) Describing strange traits
 
jump to other results
crazy See related entries: Describing strange traits