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1.
An activity in which two (2) bros exchange vital information on their respective women-finding adventures.

*NOTE* When a bro calls a debrief session it MUST halt any other activity in which said bro is partaking. This includes (but not limited to): Sports, Video Games, TV, Girlfriends (if applicable), magazines, showering, sex (although very un-bro like behaviour) etc.
Bro, we've gotta Debrief about that mint cutlet I dotted the I with on Operation Niche
by DJ Connors April 11, 2006
 
2.
To strip a person of their briefs, shorts, or under garments in order to compel them talk.
Upon coming back from a space mission NASA will debrief everyone associated with the mission
by Puddin Dame November 13, 2007