Wiktionary
batting out
vb. (present participle of bat out English)
Usage examples of "batting out".
There was nowhere to go, and the surprise assault had not been enough: already Tolly and his two remaining guards were batting out the flames, although one of the soldiers was screeching in pain.
But after an hour or so of pacing up and down the room and of batting out his brains, he finally gave up and let the answer out.
I'm batting out this letter in his office He's flying to the States tomorrow and he'll mail it there.