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1 definition by Jakob Armstrong

 
1.
to MB with all your might. MB is a slang term for masturbating. masturbating means to seize the penis and to move it around according to your own comfort level. it forms a somewhat meaningful sensation.
"Billie Joe Armstrong, do you want me to get your bedpan?"
"No, sorry I'm busy masturbating."
"So then have you seen our wedding ring?"
"I think it dropped in my pants while I was masturbating at our Green Day concert."
by Jakob Armstrong March 25, 2006