Wiktionary
whacko
a. (alternative spelling of wacko English) n. (alternative spelling of wacko English)
WordNet
Usage examples of "whacko".
Go down to your neighbourhood whacko project or sicko facility or scumbag programme and turn yourself in.
Dynel coat that was ripped up near the shoulder, looking like some whacko off the street.
Robert Keisman and Jason thought Harold Gerber might be a whacko, but he was innocent of the murder of Dr.
Barjo is a borderline dysfunctional thirtyish man convinced that the world is coming to an end, an innocent whacko who nourishes himself by sniffing a plastic bag full of milk bottle caps as though they were oxygen.