wacko

/ˈwækəʊ/

noun

Meaning

An amusingly eccentric or irrational person.

Synonyms

kook,

odd duck,

weirdo

adjective

Meaning

Amusingly eccentric or irrational.

Synonyms

kooky,

oddballish,

pixilated

interjection

Meaning

Hurrah!

Synonyms

get in,

huzzah,

woo hoo