The place where a man keeps all his porn files on the computer. This is usually in the folder of a folder of a folder and the actual video is almost always under a different name to throw wanderers off.
Person#1: Hey, my sister was cleaning up files and deleted my favorite video.
Person#2: Shoulda put it in the fapcave.
1) A term of endearment used to address/describe a woman possessing a FUP.
2) The physical presentation of the FUP as it billows out and over a pair of constricting jeans or stretch pants. It's just like a muffin top, only sweeter.
1) "Hey, FUPcake. Do you want to go to KFC later?"
Hey Cletus, do you want to make a youtube video where i'm sticking a screwdriver into live mains on a fuse panel, I start convulsing and you come up behind me doing the same as you bear hug and attempt to slowly pull me to the ground like a fagcake would, as a "joke?"