What is Jetpack?
1.
A Jetpack, or "jetpacking" someone, refers to another elementary school or middle school hi jinx, in the same category as a swirly or wedgie. It involves the giver to take a carbon dioxide fire extinguisher, putting the spray end down the back of someone's pants, and emptying it.
OMG, Jason totally gave Billy Bob a Jetpack after a wedgie! That's one cold, sore ass!
Holy Crap,I got jetpacked by Brian the other day and it was Friggen' Cold!
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2.
a noun replacing purse back pack
girl1- i got a purse-back pack for christmas
girl2-so its a jetpack?
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