when your brother kicks you down the stairs just in case other abortion options aren't available to you.
Brendan: yo sis, how did the abortion go?
Caitlin: not so good, it's way to expensive
Brendan: I have an idea

(Brendan kicks Caitlin down the stairs. Brobortion complete. Baby problem solved.)
by babyproblemsolved April 6, 2011
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When you and your bro have been fucking the same chick at around the same time, so you both just split the abortion.
Is it mine or yours bro?
I don't know man lets just split the cost and get a brobortion.
by topaco November 30, 2016
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When you have a bro but you decide you don't want them to be your bro anymore.
Luis: hey man whats up?
Bryan: you're such a bad friend. you treat me so bad
Luis: What?
Bryan: Im done with you.
(Bryan walks away.)
-Brobortion Complete-
by brobortion May 8, 2009
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When A Bro has brocrastinated so much that he now faces being kicked out of the circle of friends...a brotherly abortion...
bro #1 : Billy still hasn't come around he keeps brocrastinating

bro #2 : I know...it might be time for a brobortion
by Toafuckinganimalinstinct January 9, 2010
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