A racing development which gives ideas for making backpacks look nicer. BRD stands for backpack racing development.
by Import revolution May 26, 2005
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