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...