GAFYWAC 

Acronym. Go Ass Fuck Yourself With A Cactus.

My supervisor was being a complete cockwomble so I said "John, do us all a favour and GAFYWAC!"

GAFYWAC by urbantrucker October 29, 2014

gaywack 

So geeky as to be suspect of being gay, crazy (wacked) and ridiculous.

Barry Manilow is f***ing gaywack.

gaywack by Maaaty Moose February 22, 2009

GFYWAC 

Go Fuck Yourself With a Cactus

enough said🙂

You know what Billy GFYWAC

GFYWAC by GFYWAC December 16, 2016