When a diaper on a baby/toddler flops in or around the face of the adult playing with him/her multiple times. Similar to tea bagging. Especially gross when the diaper is filled with excrement.
Did you see your little brother diaper bagging your mom on the floor?
by nunyabiznass4444 January 7, 2010
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A dusty, old, Canadian who thinks he can control women.
Old Canadian man, "Hey, get your wife under control." American wife, "fuck off you old diaper bag!"
by Take a shot o jamo January 29, 2017
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