Shut the hell up. Not as popular as STFU
Customer 1; Wearing that hat and glove makes you look unprofessional.

Saints; SHUT THE HELL UP!!!!!!!! AND GET THE HELL OUT OF HERE!!!!!
by Saints August 12, 2004
Short for Shut The Hell Up. Used when the term STFU is felt to be inappropriate.
friend one: "Dude, I fucked your mom last night."

friend two: "STFU, asshole."

-

friend one: "I took you mom out to nice spaghetti dinner last night."

friend two: "STHU"
by myfixediro August 31, 2008
Short lame chatter form of shut the hell up. Not as popular as STFU, due to the fact that hell has lost all credibility.
Moron V1: WUTZ UP DAWGS??!?!?!??!!
Moron V2: STHU U N00B!
by Anonymous July 27, 2003
Sthu, like stfu is another abr. where lazy people choose, to be lazy. It means "Shut the hell up!". Like stfu...
E.g. #1: "Sthp asswipe!"
by N/A April 16, 2005

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