When you are certain that you are going to succeed in doing something and very layed-back about it.
"Pffft, I got that shit in the bag!"

DUDE 1: "Man, you think you can get a date with that hott chick over there?"
DUDE 2: "Ha, it's in the bag man. I don't even have to try."
by cough007 April 27, 2007
If we can stop that one punk in the corner of map, than the match is in the bag.
by The Return of Light Joker January 17, 2011
used in a situation when one has almost definitely secured something that is of great worth, typically when one is about to run the mise.
i knew that random hot chick would make sex w/ me... i had it in the bagg
by da? December 5, 2003
archane slang for drunk
I don't remember that. I was in the bag by then.
by The Frugie December 21, 2004
to throm somehting into the crotch of your unsuspecting friend, specifically a Tyson chicken doll wearing a red cape.
"its in the bag!"
followed by throwing of said doll directly into the balls of your friend
by BMG December 17, 2002
Bag of bags. /n noun
A bag containing other bags filled with units of narcotics for sale individually.
A dealer may keep all of their individual bags pre-weighed ready for sale in their larger "bag of bags"
Junkie: got a 10 bro?
Dealer: I aint your bro, jerk. Hey Matt, pass me my bag of bags, this guy wants summat
Matt: Get it yourself you lazy prick
Dealer: Here ya go buddy, take your pick from my bag of bags
by APAPAP July 10, 2012
Heroin packaged in a glassine bag then sealed in a plastic sleeve to prevent tampering and protect against moisture. Also a popular spot on 7th and C (Loisada) in NYC where quality heroin products were sold.
It started to pour rain, and I was getting soaked thank god the bundle in my pocket was from bag in a bag.
by Scandall May 25, 2008