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1st meaning: the sound that a dogcow makes.
2nd meaning: an expression or gesture of greeting.
by Spyder Bond October 24, 2003
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"m00f" comes from the purposeful misspelling of the l33t word "m0f0", meaning "motherfucker".
by Myx0 June 05, 2005
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Word invented by petpetnip on www.neopets.com as a substitute for the word n00b; users were getting n00b confused with newbie.

A m00f is an irritating/annoying person who spams, scams, cheats, steals, or does anything unsavory. A m00f is ignorant.
What a m00f!
by Zithe April 29, 2004
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4
A m00f is a word made up by me and some other people on Neopets.com (Petpetnip didn't make it up, although he was there when it was made up... I made up "moof" and then someone else added the zeroes) and it was made as a substitute word for "n00b", which sounds too much like it meant "newbie". Basically it means an idiot, or someone who is very annoying.
Stop spamming, you m00f!
by Spidey August 09, 2004
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An illiterate or n00b who spams. Derived from n00b.
Let's go m00f-hunting!
by Tawa March 18, 2004
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