shitbag 

One whos name begins with Sam and ends in my.

Sammy = shitbag!

shitbag by Sexy Sammy August 18, 2003

shitbag 

Using a badly kept vehicle to drive it around and do things you would never do with your normal car.

Lets go shitbaggin though the bush with that Celica!

shitbag by lone May 13, 2005

shitbag 

a bag full of shit

a loser who smells like shit and has orgasms when she shoves knives in her back

emily rudnick can go suck a fucking dick and lick the balls

shitbag by hairsprayqUEEn61 January 25, 2005

Shitbag 

1. A really jerky person.
2. An empty plastic bag that has been shit in. Usually a potato chip bag or grocery bag. (Also a variant of a poopsock)
3. Dog poop bag.

"He's such a shitbag!"
"I had to use a shitbag during a level grinding session."
"Throw away this shitbag, ok?"

Shitbag by Paperpaper22 November 23, 2013

shitbag 

One who is shady, or does things with the sole intention of keeping it from their close friends.

"Dude, just tell me what happened. Dont be such a shitbag!"

shitbag by Drew July 7, 2003

Shitbag 

1) a bag of shit that is usually represnted as a person.

that dude is a shitbag.

Shitbag by Enrique18 October 17, 2007

Shitbag 

Used in the UK to describe someone who is scared of everything. Similar to the common UK phrase "shitting oneself"

I wouldn't bother inviting John to Alton Towers, he's a massive shitbag and won't go on any of the rides.

Shitbag by QueenBetty November 2, 2012