it means what's up or fart, in Mexico is commonly used for saying what's up (QUE PEDO?) what farts?, a fart being a gas its just exchanging the word PEDO for GAS
Hey que gas? or did u thru a gas? (fart)
G od
A wful
S tench

Fart, flatulence, ass gas, bean bomb.
J.T. released some G.A.S. in the elevator and almost killed us!
by Burt Farp December 29, 2006
to provoke someone, to irritate them.
Don't gas me or I'll punch you in the face.
by TheSaminal July 05, 2005
Adjective; Fast
commonly used among baseball players to describe the strength of another player's arm.
Adverb; quickly
Damn man, did u see that? he throws gas!
by don corleone September 15, 2004
It's what you get after eating too much Tacos, causing a stench that usuaaly makes a few birds drop from the sky...
Mess with my ass - die by my gas!
by Anonymous November 07, 2003
over exaggerating
Yo that girls head is getting gased real bad.
by Alessi and Wendy October 21, 2003

The act of wee wee in anus

"Hey keith, i'm almost out of gas..."

"Oh shit, that's disgusting."
by be bo September 04, 2007
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