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2 definitions by Davefpsycho

The foamy build up beneath the foreskin of a nasty penis, usually during intercourse or masturbation. Really gross if left to ferment too long.
She thought twice about giving him head when she saw and caught a whiff of his neck butter.
by Davefpsycho January 05, 2011
The undigested corn in shit. Has also been found stuck to the tip after withdrawing during anal (uncommon, but true).
Dude, I was doing her in the poop chute and pulled out a stink niblet.

Well, you are now known as the 'Kernel'
by Davefpsycho January 05, 2011