Definition of "frig"

frig¹

/fɹɪɡ/

verb
third-person singular simple present frigs, present participle frigging, simple past and past participle frigged
1. (slang, transitive, intransitive) To masturbate.
  Quotations
  There was an old parson of Lundy,Fell asleep in his vestry on Sunday;He awoke with a scream,"What, another wet dream,This comes of not frigging since Monday."
  1880, anonymous author, The Pearl
2. (transitive, intransitive, slang, euphemistic) To fuck; to have sex.
  Quotations
  Not that we didn’t frig in the day-time too.
  1988, Alan Hollinghurst, The Swimming-Pool Library, paperback edition, London: Penguin Books, page 113
3. (intransitive, slang) To mess or muck usually with about or around'.
4. To break.
5. (transitive, intransitive, slang) To make a temporary alteration to something, to fudge, to manipulate.
noun
plural frigs
1. An act of frigging.
2. A temporary modification to a piece of equipment to change the way it operates (usually away from as originally designed).
3. (euphemistic) A fuck.

frig²

/fɹɪd͡ʒ/

noun
plural friges
1. Dated spelling of fridge.
  Quotations
  "Perhaps you prefer beer - there's plenty in the frig."
  1936, F.J. Thwaites, chapter XIII, in The Redemption, Sydney: H. John Edwards, published 1940, page 139