Similar to the act of paper bagging. However, because the person being bagged cannot breath under the plastic bag opposed to the paper bag, he/she will suffocate as a result. The term is used to describe someone that is so ugly that you would have to kill them after intercourse.
Adam: Charlies' girlfriend is a real minger, he ought to be Plastic Bagging that bitch.
Bart: I think you mean paper bagging?
Adam: I don't think you understand just how ugly she is.
Bart: I think you mean paper bagging?
Adam: I don't think you understand just how ugly she is.
by Hoernchen February 10, 2011