Fhweef
The sound arm fat makes when it is hot, sweaty, and pressed against more arm fat. sounds much like flatulence. Usually heard during two fat people having sex.
Tom: Oh my god dude!
Dick:What?!
Tom: You didn't hear that?!
Harry: Those fattys were totally fhweefing while they were having sex!
Dick:What?!
Tom: You didn't hear that?!
Harry: Those fattys were totally fhweefing while they were having sex!