1 definition by amilli78693

M.O-verb. commonly referred to as making out. Thus by combining the M and O of making out one creates MO. Pronounced like MOW, or MOE.

MOING, MOED, MO.
"holy cow look at rebbeca and tom, they're totally going to M.O."
"oh now they're MOING"
by amilli78693 August 20, 2009
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