What does Bagging up. Bagging Up mean?

Bagging up. Bagging Up meaning in Urban Dictionary

A Delaware native term for laughing uncontrollably, to the level of practically pissing oneself.To laugh hystericallyLol'ing Bagging up is a London slang word for where you cut break cocaine or heroin and put them in wraps (usually clingfilm) prepared sell to medicine addicts.