What is Bag Tag?
1.
originating from the game of tag, where several parties (generaly male) flick each others testicles with their hands without intent to injure, but to send an unpleasant twinge to the other person's testicles.
"bag tag you're it!"
2.
To tag a male's crotch in a photo on facebook
I bag tagged his profile pic "Whiskey Dick"
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3.
a family oreinted game played by "tagging" ones sack rather hard
lets play bag tag
ha ha i got you good you fucker
4.
When someone hits someone else in the bag and yells bag tag.Also look up 
John sup.......Bag Tag!
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Random Words:
1. 
When one is kicked in the balls from behind, and is forced to leave the ground due to the extreme power of the kick
damn that fool just..