sidebro

if your a woman, and have a boyfriend and are talking to another guy behind your boyfriends back. you are his side chick, he is your side bro.

jack is my sidebro but ronald doesn't know!

by madethisup July 13, 2015

sidebrow

Vagina popping on a head stand

Bro that sidebrow was amazing last night

by Tyler0925 March 18, 2017

sidebrook

The complete opposite of "mainstream." It IS a horrible play on words. It is a new way to refer to a hipster without them getting pissed off (cause hipsters hate to be called hipsters).

"I thought you were too mainstream to have a facebook"

"Na, I's sidebrook"

by EatShitErryday October 26, 2012