Green’s Dictionary of Slang

to consume, to eat or drink.

1989		L. Aparvary Legionnaire’s Journey 230: ‘Slurp up that wine and let’s go’.
1994		G. Indiana Rent Boy 57: ‘It sure is,’ Mavis crooned, slurping champagne.
1995		C. Hiaasen Stormy Weather 118: The unknown predator that had slurped Donald and Marla like Tic Tacs.
2002		Sandmann ‘Burning Down the House’ Planet Sex Stories 🌐 If you haven’t guessed it by now, I can tell you that I’m a real cocksuck queen. It’s not just that I have great technique, which I do, but I also just love slurping on a dick.
2011		Observer Mag. 30 1 May. 29/2: Slurping a bit of your mum’s Martini Rosso.