A milk bro is a person who drinks a lot of milk and also knows how to play the flute.
Damn milk bro, you're really good at that flute.
by Jigglyyyyy July 19, 2018
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A viscid whitish fluid excreted from a homie's reproductive tract consisting of spermatozoa suspended in secretions of accessory glands after a hot sweaty session of man-to-man love.
He smiled in pure bliss as his buddy's bro milk exploded all over his face.
by Little Bell January 30, 2022
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Any guy who has slept with the same girl you have also banged, is your milk brother.
-Is Juan banging Susana?
-Yeah. Didn't she use to date Pedro?
-That's right. They're milk bros now.
by GoldenWanker June 18, 2018
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To declare yourself a "Milk Bro" with another buddy, the act of intercourse must take place with a female on the same or separate evening with the lack of a contraceptive. Note: Filling her tank is a crucial step in deeming yourself Milk Bros.
You slept with _____ ?? So did I bro ! Did you wear a dome? Nawh me neither ! So you filled her tank? ..... High five milk bro ! We're Milk Bros !
by Darko83 June 13, 2013
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