What is Jimmy Diesel?
1.
Slang for a two-cycle diesel engine manufactured back in the day by GM Diesel (later known as Detroit Diesel, later known as MTU) -- "Jimmy" being casual slang for "GM."
These newfangled engines may be better for the environment, but them Jimmy Diesels were tough as hell.
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1.
The goofy look on your partners face when you surprisingly bust a massive nut in their mouth.
You should have seen the goofelatious loo..