This is what people refer to when using the acronym FAP (or fap). Used in place of its acronym when attempting to confuse others in the conversation, even if the intent is obvious.

To save a picture, video, etc. so that you may go back and jack off to it

Phrase used in Dexters Laboratory.
Purpose of meaning is not known to any human except Dee Dee. She explained it to Einstein and that has driven Dexter mad.

Used to cover one's perverted aims after the fact.

as if by accident, but really on purpose

When you do something 'accidently' but it actually has intention

When a girl is almost considered thick but they’re not quite there. This in no way means that they’re fat, it just means that their jiggle isn’t quite as concentrated as it would be on someone who could be considered thick. They have some jiggle... not enough to be considered thick, but enough to serve a purpose.