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1.
When a man doesn't wash their ballsack for a long time and gets grease on their ballsack, then continues to drag their ballsack acrose another persons face leaving a grease mark on their face.
"Whats with Franks face." "some guy gave him a Mc-T-bag"

"Dude the douchebag is passed out. Give him a Mc-T-bag."
by ultra_queer December 27, 2011