by Chris&Annee February 17, 2021
Get the Knockin' nutsmug. 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.
by xray233 August 13, 2007
Get the knockin' nutsmug. by Jerome August 11, 2006
Get the knockin' nutsmug. To have gay sex
by Harry bawl segs May 18, 2021
Get the Knockin nutsmug.