Blitzkrieg Fucking
The act of a man having intercourse with a woman without warning and as quickly as possible; the objective being to get "in and out of there" as fast as possible so the man can ejaculate quickly and efficiently. This is a reference to the German style of warfare in World War 2 in which they fought in a similar manner.
My German husband had a hard day at work, and instead of pleasuring me, he ended up blitzkrieg fucking me and going straight to sleep.