Top Definition
2. when you are snooping around someone's house and being really secretive about it (hence, the silent m)
3. temporarily eating all vegan food...espdcially at restaurants like Gobo
4. teaching guitar in zimbabwe
5. drumming on a tum tum (African instrument)
Ro-day-oh: Were you mnoopin' around my cabin?
Matt: You weren't supposed to see! Booyah!
Ro-day-oh: Oh snap! Stop mnoopin'.

G & A & M: D, you're in big trouble.
D: Pshh, you mnoopin'!
by greggers965 April 15, 2010

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