S.T.F.U.

An abbreviated form of:

Shut The Fuck Up

Often used in the popular internet comic "Little Gamers" and on internet message board and chat rooms across the nation.

The Sims is teh suxorz.
S.T.F.U!!!!11

by molly November 15, 2003

S.T.F.U.

Shut The Fuck Up.

The stupid bitch wouldn't STFU so I back handed her one.

by Sean October 26, 2003

S.T.F.U

SHUT THE FUCK UP

DUDE, S.T.F.U BEFORE I SHOT YOUR DUMB ASS!

by * BOO - BOO * July 12, 2008