Green’s Dictionary of Slang

Christmas; also attrib.

1982		H. Beaton Outside In Act II: Pity, could’ve got a few goodies for Chrissie.
1986		C. Bowles G’DAY 19: You get pressies at Chrissie.
1988		McGill Dict. of Kiwi Sl. 28/1: Chrissie Christmas, usually in ‘Chrissie presents’.
1993		K. Lette Foetal Attraction (1994) 215: Imagine it. You could slip over to Florida for Chrissy.
1993		T. Winton Lockie Leonard: Scumbuster (1995) 97: Did you get your Chrissy present, Dotty?
2001		K. Waterhouse Soho 241: Chrissy prezzie from Selby.
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].
2005		L. Redhead Rubdown [ebook] Ten years ago I needed money for Chrissie pressies for the kids.
2015		N. Cummins Tales of the Honey Badger [ebook] Anyhow, the [...] coach thought it would be a good idea to kick off the very first day after the Chrissy holidays with speed testing over forty metres.