IDIOM ►

the blitz (noun); to blitz (verb)

Meaning 1
In American football, the defensive team adds extra men to rush the quarterback. A blitz is an all-out attack. The term may have been used first by the military for offensive attacks.
Sentence 1
The Cowboys used the blitz to get to the quarterback of the Green Bay Packers. The defensive line blitzed the quarterback.
Meaning 2
Usually, used offensively as an all-out attack, but can be used defensively as in football.
Sentence 2
The Nazi Blitzgreig, a combination of light armour and men in World War II, was a "blitz" as it rolled over the lowland countries at the beginning of the war. It blitzed The Netherlands and Belgium.

Derivation

The derivation is used in the sentence above. It was a German military offensive in WWII.