clean (one's) plow
To physically attack one, as with punches and other blows, such that they suffer significant injury. If you humiliate me like this again, I'll clean your plow!
clean someone's plow
Rur. to beat someone up. If Joe crosses me one more time, I'll clean his plow for sure. Somebody must have really cleaned Bill's plow last night. He had two black eyes this morning!