Top definition
An adrenaline-fueled penis solely focused on hitting the bottom of the vagina.
I think I'm finally gonna give Amber a ride on the diesel-train tonight.
by Earl Dellinger October 26, 2008
Mug icon

The Urban Dictionary Mug

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

Buy the mug