What is Stubbins?
1.
When you have a wank and a shit at the same time. It is said to feel like you are being entered and to heighten the sexual pleasure.
I need a banging stubbins
See
2.
When you try to stab someone with an object, and the sharp tip suddenly breaks, when you stab the person it was considered a stubbins.
Dewd! That didn't hurt, because it was a stubbins. Loser!