br 

A dumb racist way, to call a Brazillian. Normally used by English speaking retards, who want to make fun of another culture.
Regularly used in games full of 12 year olds.

"You are BR!" "BR's are dumb"

br by Kira Darkwind September 19, 2005

BR 

An abbreviation for the term "Band Room."

Often used by those attending band class or other band related events.

"Are you crashing at the BR afterschool?"

"I'm bored, let's go to the BR."

BR by Vaughn-y April 21, 2007

BR 

refers to the Battle Rifle from Halo 2

"You're such a f*cking BR whore!"

BR by JSuresh July 20, 2005

br 

An abbreviation for the commonly used phrase 'bowl run'.

A bowl run is when one quickly smokes marijuana in their automobile.

Lets do a quick br before my parents get home.

p.s. chad smith is a fag

br by Schleeve April 3, 2005

BR 

Battle Royale

Ninja is a Professional BR player

BR by bobbyburnkz June 7, 2018

BR 

A Beer Run. A risky maneuver for underage drinkers. Typically done by walking into a store, grabbing some beer or other alcohol of your choice, and running out with it.

“Hey man, can you do a BR for the party tonight?”
“Sorry dude, Safeway knows who I am now after last time. Get Ethan to do it.”

BR by thesmallL July 23, 2019

Br 

more like Bore Ragnarok

Br MORE LIKE BORE RAGNAROK *laugh*

Br by HAHA yeah man December 4, 2019