The act of two people without limbs having sex. Sometimes there are people that aid the "nuggets." They are called "nugget helpers" or "McNuggets" more commonly on the streets.
Ryan: Man.. I was watchin' these two nuggets goin' at it last night... I just...
Ari: Dude. What the fuck is wrong with you? Who watches nugget sex anymore?
Bert: Fuckin' pole smoker.