Synonyms for lousing
EXAMPLES FROM THE WEB FOR LOUSING
In Thrums the weavers spoke of "lousing" from their looms, removing the chains, and there is something woeful in that.
When he gets back home, he's really going to catch hell for lousing up the works.
You are unsatisfied with it, because—uh—your peculiar talent is lousing up your profession.
My main trouble was in lousing you up just a little bit, not enough to make you suspect anything.