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1.
The act of unsticking of your scrotal sack from your inner thigh... usually during hot weather..
"Why are you grabbing at your groin like that Mike?"..

"Oh it's nothing, just a bit of bag peel.."
by Grinchy June 08, 2006
 
2.
When the ball sack is sweaty and sticks to the inner thigh.
"Christ it's hot as hell today, I've got a bit of bagpeel for my troubles ..."
by frank pubes February 03, 2005
 
3.
The act of a naked man slowly getting up off his leather sofa and gently peeling his sweaty scrotum from the said sofa.
The wife n kids were away last nite so I spent all evening bag peeling... EPIC..!!!!
by The Burgo of Torquay March 14, 2012