Top Definition
MNBF = My New Best Friend
Hey MNBF!!! How you doing?
by Jonesy no fool June 07, 2006
Pronounced minnibuff
Mole Nose Brace Face
referring to a girl who has a mole on or around her nose and of whom also has braces.
"Dude, I nailed a MNBF last night."
by Thealaskan April 22, 2008

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