you take a dump on a girls chest then you get on top of her chest and take a shit then bounce on ur ass with ur legs spread open as far as they can go. Preferably, you want to be farting while u r bouncing.
My girlfriend was asking for a gift for her birthday, and I thought diamonds cost too much so I thought "What better gift than a Snack Pack Roller?"
Roller derby girl. A female who skates full-contact roller derby.
Fan 1: "Fuck bitch, that rollergirl can really jam!"
Fan 2: "Yeah...she hits pretty hard, too!"
Fan 3: "Did you see how fast she made it thru the pack? I think she even lapped the other jammer!"
Fan 1: "Yeah, she did!"
One who updates one's status on Facebook, Twitter, or another social site, when in the midst of an extreme mood shift. (Most items posted in this way will be deleted a few minutes later, when the original poster is calm again)
Dave: Did you read Jill's status update? She sounds upset.
Joe: Nah, she's just having another mood swing. She's such a roller-poster.