Top definition
The finger specifically used for anal penetration during sex.
"Give her the old NiggerKnuckle last night?"

"So then I gave her the NiggerKnuckle and she screamed."
by Dedsexidaddi August 09, 2013
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Aug 9 Word of the Day
Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.
I think Alicia may have some real sleepers.
by KABT October 26, 2007
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