You can’t hang with us this MBO!
by Kountup fan base November 28, 2021
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Texting abbreviation for Mind Blowing Orgasm. 'Nuff said!!
Omg I just had multiple MBOs with my Husband!!!
by Smoke and Stars June 26, 2010
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Literally means, must be off.

Usually used in any employee scheduling that is not typical 9a-5p but with work that varies with hours and days.

It means that no matter what this employee will not be available under any circumstances.
John has an MBO next Monday because he's having oral surgery.
by Mary LM February 11, 2009
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