adj

• (Southern US) Ill-natured; crossgrained; quarrelsome.
  "an ugly temper; to feel ugly"
• (figuratively, derogatory) Unpleasant; disagreeable; likely to cause trouble or loss.
  "an ugly rumour; an ugly customer; an ugly wound"

noun

• (slang, uncountable) Ugliness.
  "I want your ugly / I want your disease."
• (slang) An ugly person or thing.
• (logistics, informal) Any product whose size and shape prevents it from fitting neatly on a pallet.
  "These are firstly for products which need a cool room; secondly for products which can be stored on a standard pallet without overhang; and thirdly for products known as "the uglies" which always overhang a standard pallet."
• (UK, informal, dated) A shade for the face, projecting from a bonnet.
  "[…] camp-stools, telescopes, poetry-books, blue uglies, red petticoats, and parasols of every hue."

verb

• (transitive, nonstandard) To make ugly (sometimes with up).
  "I move noiselessly, eat my food carefully without uglying the dining table with its remnants, fold my bedsheets in neat rectangles and place them on the bed in perfect symmetry."