noun

• (uncountable) Makeup for the lips.
  "Are you wearing any lipstick today?"
• (countable) A stick of this makeup.
  "I'd like three lipsticks in this shade."
• (countable, colloquial) A dog's penis.
  "“So she storms off, yelling at me, ‘Tell your dog to put his lipstick back in its case!’ and that dog and I just stared after them. Both of us were totally smitten.”"
• (countable, slang) Ellipsis of lipstick lesbian.
  "Joya was what they called a Lipstick Lesbian. Without wandering too far through the minefield that gay culture can be for the moderately indoctrinated, let stand the observation that this thriving local fauna (The Lipsticks, that is) struck some observers as representing a step up (or forward) in the social evolution of female homosexuality."

verb

• (transitive) To apply lipstick to; to paint with lipstick.
  "She had even white teeth and a mouth that needed no lipsticking."