noun

• (obsolete) A sort of love song or light impromptu ballad.
  "[He] ſung thoſe tunes to the ouer-ſchutcht huſwiues, that he heard the Car-men whiſtle, and ſware they were his fancies or his good-nights, […]"
• (obsolete, slang, in combination) A colored neckerchief worn at prizefights to show support for a contender.
  "the yellow fancy; the cream fancy; the blood-red fancy"

adj

• (colloquial) Unnecessarily complicated.
  "I'm not keen on him and his fancy ideas."
• (obsolete) Extravagant; above real value.
  "This anxiety never degenerated into a monomania, like that which led his [Frederick the Great's] father to pay fancy prices for giants."

adv

• (nonstandard) In a fancy manner; fancily.
  "I igonored it, hurdling her navel, riding her torso and taking both her breasts in my hands and mashing them none too fancy."

verb

• (formal) To appreciate without jealousy or greed.
  "I fancy your new car, but I like my old one just fine."
• (British) Would like; have a desire for.
  "I fancy a burger tonight for dinner."
• (British, informal) To be sexually, aesthetically or romantically attracted to.
  "I fancy that girl over there."
• (dated or in a set phrase) To imagine, suppose.
  "[dated] I fancy you'll want something to drink after your long journey."