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1.
The act of falling asleep immediately after masturbating
As soon as I got home from work, I had a fap and nap session.
by askinnyblackman February 10, 2011
 
2.
Fap: the computer slang for the sound of a male masturbating
Nap: siesta, or small slumber usually occurs after time of great and strenuous activity...like masturbating.

When you add these two terms together, fap..and..nap, you get the term Fap-and-nap.
It is widely known that after intercourse the male component quickly goes to sleep after ejaculating all over his female lover. Therefore earning the name, "Fap-and-nap."
by rangerrunner11 January 04, 2011