another term for a relationship, relating to not having to masturbate for the duration of the time spent in the relationship.
Dude, I've been in this fap gap for like 3 months now!
by fapman3000 April 11, 2010
The inexplicable gap in your internet browsing history, caused by using incognito mode to watch porn.
After Bob was done using the computer, I noticed a large fap gap in the browser history.
by ottermode August 24, 2014