WACKO


Meaning of WACKO in English

wack ‧ o BrE AmE , whacko /ˈwækəʊ $ -oʊ/ noun ( plural wackos ) [countable] informal

[ Date: 1900-2000 ; Origin: wacky ]

a crazy or strange person

—wacko adjective :

That guy’s completely wacko.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.