also known as a "fortress of solitude", an area where one can masturbate undisturbed. Fap cabins are usually outfitted with pinups or other fapping enhancements.
a bathroom, shower, car in the driveway, man cave, or secluded work desk.
"My fap cabin is covered in pictures of Hope Solo, and plays Alicia Keyes music on repeat."
"My fap cabin is covered in pictures of Hope Solo, and plays Alicia Keyes music on repeat."
by kyldonia February 06, 2013