Definitions by Lazy Meat

adult nap 

the act of falling asleep while giving someone a hand job

or

another way of referring to sexual intercourse

"Yesterday after lunch I took an adult nap with my girlfriend and made it halfway to 3rd base."

or

"Honey, let's go take an adult nap before I pick the kids up from school."

adult nap by Lazy Meat March 17, 2010