Wiktionary
vb. 1 To blow on something causing it to topple. 2 To be knocked down by wind. 3 (context idiomatic English) To pass naturally; to go away; to settle or calm down.
WordNet
Usage examples of "blow over".
Abraham received a blow over his right eye, the scar of which he carried through life.
Your Evilness, all of this will blow over anyway as soon as my people come up with decent vaccines for the diseases they're dealing with.
I come noiselessly up to him just as he had broken the box, and with all my might I deal him such a blow over the head as smashes the water-jug to atoms, and sends my captain with a snort lifeless to the ground.
I had struck flat out on the syrupy surface, dividing the blow over the entire back surface of my body.
Let everything blow over, then go about your business in a more peaceful climate.
But Okita was caught square on, and followed the momentum of his aimed blow over the railing.
I'd imagine that he's hoping desperately that everything will blow over without ever coming to actual fighting.