Acronym for "You crazy fool!" Can be used in oral or written communication.
-"Hey, where did you put that lottery ticket?"

"Man, I don't know, I might have thrown it away."

-"YCF!"
by Aussie goat February 23, 2006
Get the YCF mug.
The neighbors are letting their kids play in the gutters during a lightening storm..... YCFS

She took him back? Well YCFS
by Enivegnar October 15, 2015
Get the YCFS mug.
Ron White: But let me tell you something, folks: You can't fix stupid(YCFS). There's not a pill you can take; there's not a class you can go to. Stupid is forever.
by PrinceKelso May 12, 2011
Get the YCFS mug.