1 definition by J Dumas

In Boston} a lesbian who looked very masculine. With hair cut almost to a crew cut, or bald. Also, defined woman who worked out the the extent that become flat chested. Frequently the female bouncers at clubs near Boston University or Fenway Park were diesel's

Tend to be strongly feminist, refer to themselves as womyn not woman.
My friend got wicked embarrassed when she realized the dude she was flirting with was a diesel.
by J Dumas November 16, 2007
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