Answer: wack

AnswerCrossword Clue
WACKHardly phat
WACKTerrible
WACKWeirdo
WACKEccentric
WACKAwful
WACKScrewball
WACKVery bad, slangily
WACKStupidly bad, in slang
WACKReally bad, in slang
wackvery bad
wackan eccentric person / bad, unfashionable, also WACKO
wackeccentric, strange, or odd person
wackextreme; far-out