1 definition by guywhoknowsthings

Top Definition
A New Jerseyean term used as an insult, sending the message to the recipient to pleasure the sender orally.

The "!" after the m is a sound made by pressing ones lips together and abruptly opening the mouth, making a popping noise.

The term is an onomatopoeia, used to imitate the sound of abrupt cessation of oral sex.
M!ong.
by guywhoknowsthings May 26, 2011

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