1 definition by TheZTwin

The friend who comes along with you to various activities, but decides not to engage in the activity. As a result, he or she is stuck keeping everybody's backpacks, purse, etc. safe from harm.

Similar to the word Bag Boy, except you endlessly made fun of the Bag Bitch
We all had an awesome time at Great America except for John, who pussied out of every ride and was stuck being our Bag Bitch
by TheZTwin July 12, 2011
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