Green’s Dictionary of Slang

alcohol, esp. beer; thus a drink.

1893		P.H. Emerson Signor Lippo 13: I should just think you would beg my pardon and to show you mean it stand a couple of shants of bevarly to square the boys.
1999		K. Sampson Powder 129: He’s about to sit down for a bev with John fucking Lennon.
2004		C. Brookmyre Be My Enemy 238: Dinner, a few bevs and a hard day’s yomping.
2012		R. Milward Kimberly’s Capital Punishment (2023) 232: Instead of taking George for a bev [...] I grab his arm.
2017		hubpages.com ‘Roadman Slang 4 Jun. 🌐 Bev - alcohol.
2024		J. Meades Empty Wigs (t/s) 309: There were troughs to spit the wines into. What a waste when half the world’s gagging for a tasty bev!