Top Definition
Word used largely in Eastern Tennessee to describe a man's large penis. Also can be used in the shorter form diesel, to describe a really outstanding or "cool" individual. However word is not interchangable with cool/nice etc. It is specifically used for a certain way of acting.
Individuals referred to as Diesel usually have the following traits:
1. crudely humored.
2. Usually Pyschically Large (and in charge)
3. Open mind to their own ideas.
4. When ever possible will express dominance on weaker people.
5. May drive a cadillac, BMW, Chrysler, Landrover, or Peugot (in europe only)
6. Often will enjoy fanship of contact sports
7. When asked his interest will repond as follows: A good meal and a hot woman.
"Hey Diesel Whats up?"
"Thats Big diesel over there"
"Oh Diesel do it harder"
"Hey Diesel"
"Yes my name is Diesel, but you can call me Daniel or what ever"
by Diesel Way September 09, 2006

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A word describing a particularly masculine woman. Characteristics of a "big diesel" include large bisceps and a square jawbone. Probably derived from observed similiarities between masculine women and male truckers.
You may be one sick mofo, Edwin, but I'll bet "big diesel" over there can give you a run for your money.
by Lusus Naturae April 19, 2005

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Your favorite word on a white mug.

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt