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1.
the act of running into an enemy infested area on any First person shooter, (or occasionally and RPG game)

to do this you throw all your grenades, or use your magic missiles, then run in using melee, and close range automatic weapons.

almost always ends in death....

similar to a zurg rush
STEVE: dude, go loud and proud on them little cheesebuggas!
JESSE: no way yo! i dont wanna get pwned by the little piglets!
by FAST Lane July 30, 2006
18 13
 
2.
To fart very loudly and be proud of it.Usually done in public places or with friends.
A:I did loud and proud in elevator, too bad guys didn't have good sense of humor =(
by id HouseMix December 15, 2009
11 11