lash n.3
1. alcohol; a state of inebriation.
![[Scot]](/static/img/flags/sco.png "Scotland") | ‘A Smart Cunt’ in Acid House 252: Roxy and I got a good lash on. |
2. a portion of alcohol.
| Gutted 76: [of whisky] I felt my pulse quicken, devoured a good lash, said ‘Beautiful’. |
3. (UK black) a small, private party.
 | hubpages.com ‘Roadman Slang 10 Jan. 🌐 Lash - a wild but small party that will usually consist of drinking vodka in someone's garden. |
In phrases
out on a spree [note also SE lash out, to spend unrestrainedly].
![[Ire]](/static/img/flags/ire.png "Ireland") | Miseducation of Ross O’Carroll-Kelly (2004) 127: [...] but basically to go on the lash [...] and score some complete randomers. | |
![[UK]](/static/img/flags/uk.png "United Kingdom") | Observer 8 June 3: They’re lairy, loaded and out on the lash, spending fortunes on drink. | |
| Observer 9 Jan. 15/2: There’s endless coverage of drunken ‘ladettes’ out on the lash. |