Wiktionary
bats in
vb. (en-third-person singularbat in)
Usage examples of "bats in".
If there are bats in any quantity in the spire, then I think we ought to contact a firm of pest controllers.
I guess the 'orses don't like sleepin' in a stable with bats in the rafters.
Darkness hung beyond, in a room lined with clothing hanging on pegs like bats in a cave.
If in addition to these two heavies I was also to be cheek by jowl with a New York playboy apparently afflicted with bats in the belfry, it began to look as if this visit would prove too much for Bertram's frail strength, and for an instant I toyed with the idea of sending a telegram of regret and oiling out.