Definition of "affy"

affy¹

/əˈfaɪ/

verb
third-person singular simple present affies, present participle affying, simple past and past participle affied
1. (obsolete, intransitive) To trust (in someone or something); to rely (on).
  Quotations
  Marcus Andronicus, so I do affie / In thy vprightnesse and Integrity […]
  c. 1588–1593 (date written), William Shakespeare, “The Lamentable Tragedy of Titus Andronicus”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene i]
2. (obsolete, transitive) To promise to marry (someone); to be engaged to.
  Quotations
  He, though affide unto a former love, / To whom his faith he firmely ment to hold, / […] Her graunted love, but with affection cold […]
  1596, Edmund Spenser, “Book IV, Canto VIII”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie

affy²

/ˈæfi/

noun
plural affies
1. (slang) An affidavit to be signed by a contest winner to confirm eligibility.
  Quotations
  If you have won a monthly prize, they will send you an affy and have you send it back. Then your prize comes from a courier.
  1997, Sandretto, “Singapore Contest....”, in alt.consumers.sweepstakes (Usenet)
  The contest ended in mid November, I got the affy Christmas eve, and I picked up the car February 4th or 5th.
  1999, Suzy, “Any BIG winners?”, in alt.consumers.sweepstakes (Usenet)