abbreviation for "shut the fuck up" used when your mad at someone, their annoying, or they're talking shit
by jdcblajdbaiduch January 18, 2015
Get the stfumug. by bellialodogot October 28, 2017
Get the stfumug. by Vorcee August 23, 2019
Get the stfumug. by aanaaaa143 August 21, 2016
Get the Stfumug. by The Return of Light Joker July 19, 2009
Get the STFUmug. by misterchill March 16, 2004
Get the stfumug. 