knobable

Adjective;
A woman of great beauty with whom one would very much like to have sexual intercourse.

Generally when used in a social situation it is pronounced in a French accent (as one would pronounce "Incroyable", for example).

Hey mate, look at that lady over there, she's well knobable!

knobability

To be a woman of great beauty who has great sexual attractiveness.

There's no doubt about it, she has knobability.