rb

Reason Boner: An erection developed from arousal; the antithesis of NRB (no reason boner).

"Dude, that chick gave me a huge RB!"

by Nicholas Run August 08, 2007

rb

reverse boner

Person 1: Dude ew look at that fat chick...

Person 2: Awww dude I just got an rb

by dfray69 July 23, 2010

rb

A rob barelli, a guy who gives girl things just because they get with him

You Are such a fucking rb for giving her your chain =)

by Brooke =) October 27, 2004

rb

An acronym for retarted bitch.

Miranda is such as rb. She always does the stupidest shit.

by Luke Flamer June 12, 2008

rb

running brains

i love rb

by David194 September 20, 2010

rb

A man who sits at his computer and touches his genitals when his mum screams his name

rb is gay roflmao

by Roy Peterson June 18, 2003

rb

New kind of internet

My rb is so totally informative!

by arr-bee September 06, 2003