Green’s Dictionary of Slang

farmer Giles n.

also farmers
[rhy. sl. = piles]

(UK/Aus.) haemorrhoids.

[UK]M. Durack Keep Him My Country cited in DSUE (1984).
K. Williams letter 2 Aug. n.p.: I was able to venture into the street, looking like most other pedestraisn. No one actually screamed out ‘Got a touch of the farmers, then?’.
[UK]Galton & Simpson ‘Loathe Story’ Steptoe and Son [TV script] I used to sit there for hours on end [...] Ten years old and I already had a touch of the Farmer Giles.
[UK]C. Dexter Service of all the Dead (1980) 92: You’ll get a touch of the old Farmer Giles sitting there, sir.
[Aus]R. Aven-Bray Ridgey-Didge Oz Jack Lang 28: Farmer Giles Piles.
[UK]Roger’s Profanisaurus in Viz 87 Dec. n.p.: farmers rhym. slang Piles. From Farmer Giles.
[UK]Guardian G2 10 June 22: When Mo complains bitterly in EastEnders (BBC1) about her farmers they are not, as I thought, her farmer’s onions/bunions. Rather, her farmer Giles.