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1.
A graduate of the U.S. Army Airborne School, and who proudly shows off his Basic Parachutist Wings, but has only limited (or no) airborne experience since Jump School. You must perform five actual jumps to graduate Airborne School, hence the "Five Jump Chump."

Basically, a leg pretending to be an actual paratrooper.

These include soldiers who went to Jump School despite being assigned to non-Airborne billets, soldiers in an Airborne unit who have not made a Combat Jump, or soldiers who have not upgraded their Basic Jump Wings to either Senior or Master Parachutist Wings due to a lack of personal initiative.
The new battalion commander is a dipshit Five Jump Chump who hasn't seen a Drop Zone since he was a fucking lieutenant.
by The Lost Trooper February 04, 2011