1 definition by ViolentBob

Abbreviation for the jet pack in the popular Natural Selection Mod for Half-Life.
Usually asked for by 12 year olds who just joined a server.
"Commander give me a JP and HMG so I can pwn their hive"
Note: Giving out JPs typically is like signing a death sentence on the marine who will inevitably fly off alone and get killed.
by ViolentBob June 22, 2005
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