(US, slang, derogatory, originally applied to women) Very ugly.

(idiomatic) A young person who is ugly, but who is expected to become beautiful as they mature.

(idiomatic, colloquial, derogatory) Extremely ugly.

(Canada, music) A traditional Newfoundland musical instrument fashioned from household and toolshed items, typically a mop handle attached with bottle caps, small bells, tin cans, etc., which are struck with a drumstick while one end of the handle is hit against the floor.

plural of ugly stick

(simile) Extremely ugly.

(idiomatic) An American government representative, tourist, or businessperson who, in dealing with people of other nations, is haughty, rude, meddlesome, chauvinistic, or jingoistic.

Alternative form of ugly American

plural of ugly man

(obsolete) The person who garrottes the victim in a confederacy of three criminals, the others (the fore-stall and back-stall) blocking the victim's escape.