Green’s Dictionary of Slang

lashed adj.

[lash n.3 ]

drunk.

[UK]Sam Sly 3 Mar. 4/1: Sam never said that, the old Methodist parson, at W—tby, was "hard lashed" when he fell, in Lyth Bank, on Christmas day. [...] Sam thinks it would be a disgrace to the ‘holy calling’ if it were so.
[UK]Indep. on Sun. 7 Nov. 31: Jim gets ‘lashed’ every weekend.
[UK]N. Griffiths Grits 352: Tryin to get me to go over-a mountain into Llangurig with im ter get lashed.
[UK]R. Milward Apples (2023) 6: Every Friday he got lashed after work.