differential

(redirected from a differential)

differential

slang The buttocks. This term comes from the "differential gear" found in motor vehicles. Wow, he's got a great differential—he must work out!

differential

n. the buttocks; the rear (end). (From the name of the device that joins the axle to the driveshaft in motorized vehicles.) You’re walking like there’s something wrong with your differential.
References in classic literature ?
Man is fallen; nature is erect, and serves as a differential thermometer, detecting the presence or absence of the divine sentiment in man.
record is held by the 1902 Pittsburgh Pirates, a club that scored 775 runs and gave up 439for a differential of+336.