look up any word, like the eiffel tower:
A over sized jacket worn to conceal the crotch area used to cover up public masterbation
Dude I was bored in school today so I just jerked off in class cause I wore my fapjacket.
by fistpirate12 December 17, 2011
Any form of receptacle (typically an orphaned gym sock) that is used during masturbation to capture one's ejaculation.
This picture is really fappable. Now, where did I put my fap jacket?
by white_castle March 06, 2011