Green’s Dictionary of Slang

fartleberries n.

[fart n. (1) + joc. use of SE berries]

pieces of excrement clinging to the anal hairs.

[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]Lex. Balatronicum.
[US] in J.H. Byrne Mrs. Byrne’s Dict. (1979).
[UK]J. Morton Lowspeak.
‘Cap’n Willard’ on Brains Trust II:37 27 Jun. 🌐 Rob, You never heard of winnetts or fartleberries then?