See Mexican Boner Standoff

A grouping of three or more men each with an erection pointed at another member.
Looks like we have ourselves a MBS going on here, let me throw on a towel.
by omikes January 09, 2017
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An honorary degree awarded to an individual with extensive experience or tenure in their chosen field or craft. This honor is most often, but not exclusively, bestowed upon politicians or used vehicle salespersons.
by Jim K., MBS June 04, 2013
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Someone who posts lyrics all the time, often annoying others.
Person A: "Let's find the key we've lost, as all the people cry in vain"

Person B:"Don't be an MB."
by Auradyme December 10, 2016
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An acronym standing for Marching Band. Used by people online when messaging people publically,such as MySpace or Facebook, to avoid the criticism or questioning of other people.
James: Hey Mike are you doing MB next year?
Mike: I can't, I'm joining the football team.
by -=[DeTeRMiNaTioN]=- August 04, 2009
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Massive build up of sperm. Similar symptons to when a woman is experiencing PMS.
Rob hadn't had sex in soooo long he was suffering a severe case of MBS
by FredAstair July 03, 2010
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