beat with the ugly stick

hit with the stupid stick

Used to describe someone who is stupid or unintelligent.

mud fence

Something proverbially unattractive or ugly.

fall out of the ugly tree and hit every branch

To become extremely unattractive.

bad looker

Someone who is unattractive or not pleasing to the eye.

kick someone's ass

To clobber someone; to beat someone severely.

stick in someone's craw

To cause lasting annoyance, irritation, or hard feelings.