Blubbery human beings containing no redeeming traits. Conversations with said Bags of Milk lead others to feel less intelligent upon departure.
"Wow, did you see Mike Mac last night?" "Yeah dude, huge bag of milk, whole milk"
by TgutIsAJobroni November 24, 2016
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A fat chick; A fat chick with a big bottom. Bags of milk come in White and Chocolate form.
Man, Betty is nice and all, but she is such a bag of milk. She walks up the stairs and leaves puddled of sweat behind.
by Larzen-GF August 11, 2011
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The term used to describe a young man with a body shaped like a bag of milk. This man also tends to have a paler skin tone and usually, if not always, is downright ugly. Yet somehow this milk bag manages to get a hot girlfriend.
Guy 1: This girl is an absolute rocket.
Guy 2: Wow she is. Says she's in a relationship, check his Facebook.
Guy 1: Man this guy is a milk bag.
Guy 2: Standard.
by 7orture August 17, 2012
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