duck's arse
⇨ duck's arse; duck's assnoun
1
a hairstyle popular in the early 1950s, especially among Teddy Boys; the hair was tapered and curled on the nape of the neck like the feathers of a duck's tail. Also widely known by the initials DA, and occasionally by the euphemistic 'duck's anatomy' UK, 1955.
2
a cigarette end that is over-moistened with a smoker's saliva UK, 1993.
3
an informant. Rhyming slang for GRASS (an informant), probably formed during the 1950s when the 'duck's arse' hairstyle was in fashion UK, 1950s.► tighter than a duck's arsevery drunk or drug-intoxicated. An oddly mixed metaphor UK, 2002