Top Definition
when a woman sucks on a mans wiener.
I love a nibble knob in the morning!
by Randy Macho Man Savage June 25, 2008
1 more definition
5 Words related to nibble knob
The performance of oral sex.
I was cruising in my sweet 1987 IROC Carmaro and my girlfriend was giving me a nibble knob.
by jamesblair October 30, 2004

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