neckagility 

the ability to move your neck with a wooden spoon in your mouth to hit your friend on the head.

Dude, you need to improve your neckagility.

It's all in the neckagility.

http://www.youtube.com/watch?v=3yv3Cpk_suc

neckagility by Neck Spooner August 4, 2008

Nerkability 

a word used to describe an attractive female with appealing assets

oi, Brett, pree that girls ass; now that's a serious nerkability, I say...

Nerkability by lingolobster March 20, 2017