1. (UK prison) prison tea [its taste, supposedly reminiscent of diesel fuel].
|Guardian G2 11 Feb. 4: ‘Tea’ – actually a greasy, tobacco tinctured liquid served lukewarm from buckets and affectionately known as ‘diesel’.|
|A Few Kind Words and a Loaded Gun 128: Two slices of bread, a pat of marg and a cup of diesel.|
|Viva La Madness 73: A gallon of strong diesel tea made with long-life milk.|
2. (US) one who has a muscular, well-developed physique.
|Double Whammy (1990) 33: It was only when he got to his feet that Decker saw what a diesel he truly was.|
|Hope College ‘Dict. of New Terms’ [Internet] diesel n. Someone who is strong, muscular, or buff.|
3. see diesel-dyke n.
(S.Afr. gay) a male homosexual who dresses like a stereotypical lesbian.
SE in slang uses
(US prison) the constant movement of an inmate between prisons.
|Other Side of the Wall: Prisoner’s Dict. July [Internet] Diesel Therapy: Constant transfers [between prisons] to keep a prisoner from associating with others or to discourage particular activity.|
see under suck v.1