noun

• (dated or dialectal) chicken
  "Mr. (afterwards) Lord Kenyon, lived in Bell Yard, Temple Bar. Mr. Kenyon's early habits were those of strict economy : he had his shoulder of mutton roasted first for one day, the next day he had it cold, and for the third or fourth day he had it hashed, resembling the old Scotch trader, who told his son he lived at first very sparingly, so that in his old age he could afford himself a chucky on a Sunday ; but he said, the young men in the present day when they began life wanted a chucky every day!"

noun

• (Scotland) A pebble, stone chip or piece of gravel.
  "I blinked again and screwed up my eyes to look across the chuckies."

noun

• (Northern Ireland, derogatory, slang) An Irish Republican, especially one who has supported the armed struggle.