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...