Wiktionary
bats out
vb. (en-third-person singularbat out)
Usage examples of "bats out".
The Master of Bats had been laughingthough his mirth had broken off when Craer snatched two bats out of the air with sure hands while drawing level with the open door of the wizard's cell, broke a wing of each before they could bite him, flung them through the doorway, then kicked the door closed with a boom that echoed down the passage.
Nevertheless, it is not true that the only way to get bats out of a house is to burn the house down.