Swag in the Bag. A term used to describe the level of awesomeness of something. Can also be used as "Bag filled with swag" or any variation of bags and swag.

when you're hungover as shit after a spending a night drunk as a skunk

an acronym that stands for "sarcasm is to be sensed." used at the end of a text message to denote sarcasm, as it can be difficult to tell at times.

S.I.T.B means: Sex In the Biatch