Green’s Dictionary of Slang

vodka; also attrib.

1977		C. Hope Ducktails in Gray Theatre Two (1981) 51: I already drowned a nip of voddies.
1981		C. Hope Separate Development 178: She [...] opened the glove compartment and pulled out a half-jack: ‘Voddies?’.
1985		B. Humphries Traveller’s Tool 26: I’ve got a chilled voddy bottle floating in the shithouse cistern.
1998		I. Welsh Filth 115: I change to voddy [...] the cunts can’t whiff it on your breath.
2000		N. Griffiths Grits 311: Laura! Uh yis wantin another voddy?
2012		(con. 1980s) I. Welsh Skagboys 30: Second Prize [...] has a pint and double voddy.
2015		I. Welsh Decent Ride 70: Evan Barksdale, whae’s goat the meatier build ay the beer drinker, compared tae ehs twin Craig’s mair voddy physique.