Knockin' nuts
The slapping of the scrotem on ones inner thighs.
Do you have a bag case of knockin' nuts?
knockin' nuts
To bump into another man's testicles with one's own testicles, whether intentionally or not, when one is double-penetrating a woman with another man.
The idea of a threesome intrigues me, but the chance of knockin' nuts with another dude turns me off.
knockin' nuts
When a man who has testicles, swings his scrotum sac from left to right in a fit of joy.
Chaz was knockin' nuts when Beyonka agreed to suck his twinkie-cream.
Knockin nuts
To have gay sex
Yo that's who I saw knockin nuts with tyrone last night