ass apple

A number or idea that was made up on the spot, then applied like a fact.

A conjoining of "pulling a number out of your ass" and "apple-bobbing"

FBI Senior Developer: Why is this 12-year-old marked 'high-risk hyper-violent terrorist'?
FBI Software Engineer: Because of the 20-times risk multiplier for 'plays CS:GO with low MMR' times the 976 'brushes teeth before breakfast' constant.
FBI Senior Developer: ...Nice touch on the ass apples. Keep up the good work.
FBI Software Developer: Thanks Boss.