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1.
The act of imitating the human centipede. Only sick fucks do this disgusting past time.
rosie:i had brosie this weekend with ashley tisdale and zac efron
bridget: thats sick!
by brosandhoes December 06, 2010
 
2.
A girl bro who is also a hussy.
"Dood, I can hook you up with my brosie Megan!"
by Jason Michael Herd II August 19, 2012