Another term for Budweiser.
Also, a key ingredient for Sloshball.
I drank a lot of diesel tonight playing sloshball.
by Alana O'Reilly September 19, 2005
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Over rated, exaggerated italian expensive clothing, brand for preps, snob idiots, self proclamed 'cool ppl'. Kinda abercrombie&fitch in the states, In Europe the preps are way worse.
by Mia800 January 08, 2008
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1. Something of extraordinary importance, size or significance. 2. For sure; like money in the bank.
1. That Patriots touchdwon in OT against the Dolphins was diesel, man.

2. Getting an A in Biology was diesel because even shit-for-brains was passing.
by Brian October 20, 2003
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a girl who sleeps with all gang members in one gang
the boys picked up a few diesels to bust them down.
by Jennifer Martinez July 05, 2006
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