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A military term used to describe either your feet or boots. The United States Marine Corps will hump (or hike) for several miles instead of traveling by a vehicle.
The Hummer is broken down, so we'll have to hump it using our primary mode of transportation.
by nyjyrk April 15, 2010
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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