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If you’re a young booty muncher you have hella booty to munch on.
Aye bro are you a YBM?
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by benskiboy September 21, 2017
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2
Three letters that stand for the secrecy of the sisterhood of the sorority of KAPPA ALPHA THETA. Sisters use these three letters to sign notes, or to say outloud when they feel it applies to the situation.
Theta Love YBM! Bettie

or

"Thanks so much youre so YBM!"
by Bettie Locke January 30, 2007
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3
Abbriviation for "You bore me" used online.
*person talking about some confusing Physics stuff*

Another Person: YBM
by Olesya July 05, 2005
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