A racing development which gives ideas for making backpacks look nicer. BRD stands for backpack racing development.
by Import revolution May 31, 2005
Get the Backpack Racingmug. When someone is drinking beer/alcohol/etc, and someone else jumps on their back like a backpack and forces them to chug the beer. Usually done with two people at a time. Whoever gets the beer down first is the winner. The beer guzzler usually goes insane.
by MMjr May 26, 2008
Get the backpack racemug.