n'fanigan - A boner that’s like a half-eaten donut, still tasty but not

A boner that’s like a half-eaten donut, still tasty but not full.

My n'fanigan was like a donut with half the sprinkles.

He had a n'fanigan so bad it was like his penis was in a food coma.

That n'fanigan was like my brain after eating too much pizza.