similar to a "dis" or "fail"

as you say "gus" you make a motion with you hand similar to a gun with only your thumb and pointer finger exposed and the other three tucked. you curl your thumb in a position as if you were playing a video game and your pointer finger like a pirate.
a: so last night after we fucked, he told me he would call or something and left very soon after.
b: gus!
a: *sigh*
ayon kay Raella ika-30 ng Agosto, 2009
short for "fungus", meaning shrooms.
with two thousand dollars and a car, i could be the number one pusher of "gus" and "lucy" in this county.
ayon kay tyrone!!!!!!! ika-10 ng Hulyo, 2008
The perfect substitute for anyone's name. Male or female.
What's up Gus?

Hey Gus, did something die in the bathroom or did you just take a nasty smash?
ayon kay Angry Ape ika-25 ng Setyembre, 2003
1) A man or woman that acts like a general fool, nerd, dork, and/or moron. 2) Describing an action or occurrence that is generally lame or crappy. 3) The act of doing something stupid, foolhardy, or mentally handicapped. 4) A common name substitute.

can be alot like the word fuck. can be used as a noun, adjective, or verb. Other variations include Gusty, Gusto, and Gussy. Common name substitutions include Gus, Gustavo, and Gustina.
noun -
Tim is such a freakin gus, it's ridiculous.

What's up Gus?

Tim is acting gusty.

That shirt is totally Gus.

Tim completely gussed when he was macking that cougar.

This party is getting gusty.
ayon kay guyrelax ika-25 ng Agosto, 2009
A steaming turd on cold sidewalk.

A 'gus' can also be used to describe a person with insufficient wiping skills, resulting in him or her smelling strongly of feces - and with occasional smears of dung riding up the butt crack and lower back region.
Look at that dog! He's laying a gus on that sidewalk! I can see the steam rising from the turd!

That chick sitting ahead of me has insane swamp ass. There is a pool of booty juice left on the seat and she smells like fresh shit. What a gus! There is a trail of crap leading up her lower back.
ayon kay TheRealRonJeremy ika-31 ng Oktubre, 2009
A person you should avoid at all cost's.
Jenny: "That dude is the most self-centered asshole on the planet!"
Brittany: "(scoff)Yeah, what a total Gus."
ayon kay Ultrawhore 3000 ika-25 ng Agosto, 2007
Disgusting, nasty, awful, mank etc.
Dru: Look at that pile of crap on the ground! That's gus!
ayon kay blipbloo ika-10 ng Hulyo, 2010

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