jackoffability
How good something is for a guy to jerk off to it. It’s all in his head, but if a lot of guys agree, it’s a total win. Usually shown as a percent, and a high one means the thing being jacked off to is a total beast.
That picture of my ex’s abs is 99% jackoffability.
My neighbor’s dog has 70% jackoffability. I don’t know why.
That movie’s 10% jackoffability. I almost cried.