ÜWM

German: ÜWM

ÜWM is an abbreviation for Überwurfmutter - or union connection, the cap-shaped nut on the end of flexible plumbing hoses (at least in the States, the hose to your toilet tank has one, for example).

CTU

Italian: CTU

This was a weird one, in a court brief. Turns out it stands for consulente tecnico d'ufficio, which is expert witness.

Tökön szúrom magam

Hungarian: tökön szúrom magam

Oh, Hungary. Your earthy terminology is so evocative. In English, this is I'll stab myself in the groin. Not something one normally expects to see in an employee survey, but hey.