gfysyft 

Acronym for "go fuck your self you fuck tard"
Good for texting and email.

Hey Steve, gfysyft!

gfysyft by Foxyrolla December 14, 2013

GFYSYFC 

Acronym for "Go Fuck Yourself You Filthy Cunt"

Caroline: Hey mister, how's it going?
John: GFYSYFC
Caroline: WHOA! what did I do?
*John has left the conversation*

GFYSYFC by Willie F October 11, 2011