Flubber Fucking

1. The act of having sex with someone that is fat.

2. Two fat people having sex.

1.
Person1: Yeah, we decided we're going to have sex.
Person2: You mean you and that fat chick?
Person1: ....Yeah
Person2: Oh..Well..Urm..Have fun flubber fucking!

2.
Person1: Oh god they're doing it again. I can hear their fat slapping from in here.
Person2: Oh no! Flubber Fucking!