wacko
1 ENTRIES FOUND:
plural
wackos
plural
wackos
Britannica Dictionary definition of WACKO
[count]
US, informal
:
a person who is crazy or very strange and unusual
-
She's nice but her sister's a real wacko.
— wacko
adjective [more wacko; most wacko]-
They have some wacko ideas.
-
His father's wacko. [=wacky]
