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1.
when two girls hump their boobs against one another
Bria and Stef boob humped one another.
by Coollio7 June 05, 2009
14 3
 
2.
to thrust your chest, typically at another person, in a humping motion.
Danny wasn't pleased that Zach had tried to boob-hump him in front of his girlfriend.
by Kendiesel October 03, 2010
10 0