Crossword Clue:

WACK an eccentric person

AnswerCrossword Clue
CREEPEccentric person
ODDBALLEccentric person
ODDONEEccentric person
PIECEOFWORKEccentric person
CRANKEccentric person
NUTEccentric person: Slang.
GINKEccentric person: Slang.
GINKAbsurd, eccentric person: Slang.