2 definitions by big bosom

when the upper front of a woman is shaken vigerously in a male or females direction to catch their attention. usually done to a very fast beat. sometimes (if the females are competitive) they will have a milkshake competition to see who can milkshake the fastest to get the most attetion.
man i was in a trace when my girlfriend milkshaked in front of me. then a saw her later, milkshaking to my best friend so i went to her best friend and she also gave me a milkshake which was way better than my girlfriend.
by big bosom April 24, 2004
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two (normally large) lumps found at the upper front of a woman
(aka titties)
alternative spelling: bossom, bosom
shake ur boosom
by big bosom April 24, 2004
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