When an amputee strikes you with his or her stump.
Don't make me give you a hard nubbin.
noun
/nub’in/
The process of giving a blow job when you have no teeth
verb
Gumming a hard penis to climax
Man, that’ nubbin blew my mind.
Ol girl nubbined me after she took out her dentures.
The name bestowed upon a female Shetland Pony foal that is the unwitting participant in beastial sexual intercourse with a human.
I caught Jay in the stall doing the nasty with Nubbin.
Fuckin hell Mandi, look at that naked dwarfs nubbins, I'd love to suck the shit out of those bad boys.