It stands for SHUT THE FUCK UP
by A Boy With A Fat Sister March 18, 2020

by Destiny_dgaf01 January 21, 2018

Kevin started STFUS. I think I'm going to start. It's the classy thing to do.
Dave said we're poor if we don't STFUS.
Dave said we're poor if we don't STFUS.
by TiffanyLynnd August 11, 2012
