1.) Save The Freaking Unicorns
2.) Say, Thanks For Understanding
3.) Short Term Follow Up
4.) Special Task Force Union
5.) Stop Talking Find Username
6.) Slippery Teflon From Utah
7.) Stinky Telnet Fell Under
8.) Special Transitory Food Units
9.) Stealing Turkeys From Uncle
10.) Superior Tactical Fragging Unit
11.) Silence That Followed Us
12.) South Texas Farming University
13.) Southern Tenant Farmers Union
14.) Scrawny Two Faced Underling
15.) Samurai Training Finished Unsuccessfully
16.) Show Them Fury Unleashed
Or the most common definition:
17.) Shut The Fuck Up
The common response to the previous 16 definitions.
2.) Say, Thanks For Understanding
3.) Short Term Follow Up
4.) Special Task Force Union
5.) Stop Talking Find Username
6.) Slippery Teflon From Utah
7.) Stinky Telnet Fell Under
8.) Special Transitory Food Units
9.) Stealing Turkeys From Uncle
10.) Superior Tactical Fragging Unit
11.) Silence That Followed Us
12.) South Texas Farming University
13.) Southern Tenant Farmers Union
14.) Scrawny Two Faced Underling
15.) Samurai Training Finished Unsuccessfully
16.) Show Them Fury Unleashed
Or the most common definition:
17.) Shut The Fuck Up
The common response to the previous 16 definitions.
by DarkDragon59 December 16, 2011
 Get the STFUmug.
Get the STFUmug. by jujujuju100982563009lol August 18, 2013
 Get the stfumug.
Get the stfumug. by Herr Shrek January 23, 2020
 Get the STFUmug.
Get the STFUmug. by campbutmakeit_concentration_ January 12, 2020
 Get the stfumug.
Get the stfumug. A way of saying "shut the fuck up", instead of actually typing it. Has less meaning than actually typing "shut the fuck up", and is often said by people that are losing an argument or can't think of a comeback.
Guy A: "You just contradicted yourself. Twice."
Guy B: "faggit"
Guy A: "Yeah, that's what I thought, you can't think of anything, loser."
Guy B: "stfu"
Guy C: Just admit you lost, Guy B.
Guy B: "faggit"
Guy A: "Yeah, that's what I thought, you can't think of anything, loser."
Guy B: "stfu"
Guy C: Just admit you lost, Guy B.
by Arch0wl May 17, 2005
 Get the stfumug.
Get the stfumug. by bishthemighty March 7, 2011
 Get the STFUmug.
Get the STFUmug. online text-speak for "shut the fuck up".
by tip123456 June 25, 2009
 Get the stfumug.
Get the stfumug.