1 definition by Shouldbedoinghomeworkrightnow

Top Definition
An exercise mainly done by rowers, to condition the legs (quads, specifically). Generally conducted in sets, in the course of the dreaded *circuit*.
Coxwain: 121...122...123... Oh, oops. Sorry guys, I lost count.

Rowers: *groan*

Cox: Now all together, we're going to do 200 jumpies, by sets of 50: 1...2...3...

Rowers: We're gonna flip the boat on you, coxwain... shit...
by Shouldbedoinghomeworkrightnow March 16, 2011

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