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.

Common Names:

Name	Pronounced	Usage
EfigÊNia	-	Portuguese (Brazilian)
Genoveffa	je-no-VEF-fah	Italian
KazimÍR	-	Czech, Slovak, Hungarian
Shamgar	SHAM-gahr (English)	Biblical
Nastya	-	Russian
Nazih	-	Arabic