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A lady (often quite large,) that prefers the (very) close company of other ladies, known as femmes. Regularly seen wearing a lumberjack shirt, boots and dungarees/bib & braces overalls.

Origin: Due to the normal extreme mass of these 'ladies,' it has often been assumed that locomotion could only be facilitated with the assistance of a powerful Diesel engine.

See also Clamjouster, Mingeeta, Plaid-clad Whale and Rugmuncher

Source: Cutaway, Aug 9, 2004 "Dieseldyke"
Said at the A&E Dept, "I hope you've learnt from that young man, never get between that Diesel and her Femme !"
by cutaway October 28, 2004
272 41
woman built like a brick shithouse, tattoos, piercings, and bigger cajones then you could ever wish for
seen on the street transferring a bumper sticker to her car that reads... HONK IF YOU WANT ME TO RIP YOUR BALLS OFF
by BlackSheep March 14, 2003
43 108
A lesbian trucker who is often unattractive sporting a butch haircut, broad shoulders, chain drive wallet, tattoos, flannel shirt, blue jeans and a tire knocker, often missing one or more front teeth as a result of bar room brawling.
Mr. Public's wife used to be cute but she changed after she had a few kids. She chopped her hair, got tattoos and started hanging out with all her lesbian friends at the truck stop, she turned into a diesel dyke.
by Jolly Roger August 17, 2004
41 112
n. female version of jock except without the homophobia
That diesel dyke just kicked the fuck out of that guy's balls. Well I guess she had no use for 'em.
by jimmy ivory March 31, 2004
36 110
Any butch bitch who works in the automotive industry. Usually depicted with short hair and voice as deep as a whores snatch and a head as rough as a kicked in shit tin.
Customer: Sir I'd like my car serviced
Mechanic: Sure, i'll call julie
Customer: Julie????!!!!
Mechanic: Shes our residenty Diesel Dyke
Customer: Runs away crying
by stevemcqueen March 26, 2007
48 124
A lesbian who makes a considerable effort to look as unattractive to men as possible. Often wears dungarees. Very much at home under the bonnet with a spanner.
That diesel dyke fair frightens the hell out of me
by rexie September 15, 2003
29 108
A "female" who resembles prehistoric man in many respects. Large, ungainly, hairy, loud, dirty, unkempt, smelly, ignorant, aggressive, revolting, unevolved, clumsy, stupid and disgusting.
Hillary Clinton loved a good strap-on ass fucking from a diesel dyke like Janet Reno.
by hammerhead March 13, 2004
45 138