Definitions by burhhhhhhhh

YSFS 

YSFS means "You So Fuckin(g) Stupid"

Can be used as a way to get out of a conversation that you may not want any more part in, or can be used as a plain flat out roast, or someone who is generally just flat out dumb.

1. I swear to god bro, ysfs

2. I can't stand you anymore! YSFS

YSFS by burhhhhhhhh August 13, 2020