Top definition
American English slang term describing the relationship between two men who have had sexual intercourse with the same woman.
"Yo, dude, you banged her too? Now we're milkshake brothers!"
by speedyboy May 26, 2006
Get the milkshake brothers neck gaiter and mug.
Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
Get a stupid people mug for your dog Callisto.