From fish and chips + -er.
fish-and-chipper (plural fish-and-chippers)
- (Ireland, slang) A chip shop
2011 April 25, Gardiner M. Weir, A World of Dreams: Scots-Irish Short Stories and Poems[1], PublishAmerica, →ISBN:Next morning I phoned McKinley from the kiosk around the corner and made a point of meeting up with him at a nearby fish-and-chipper.
2013 April, Zoe Miller, The Compromise[2], Hachette UK, →ISBN:I could get thirty shillings in the local fish-and-chipper on a Saturday night.
2015 March 3, Éamonn MacThomáis, Me Jewel and Darlin' Dublin[3], The O'Brien Press, →ISBN:And don't forget the smell of the fish-and-chipper on a cold winter's night; sometimes they even smelt better than they tasted!