One of several potentially
awkward sounds created by the body's interaction with air, this one the result of suction from when the lumbar curve of the back is
pressed flat against a smooth surface and then lifted, making a loud fart-like sound. Back farts most often occur when having sex on linoleum or when shifting about in a tanning
bed.
J: T and I were doing the grown-up in stealth mode on that
big mahogany
table in the conference room last night, and I pulled this massive back fart.
A: I hate when that happens. Were you embarrassed?
J: Yeah, but only because the janitor heard it and opened the
door.
A: Zut! what did you do?
J: I told him to drop trou -- daisy chain!