When the smaller person in the relationship is big spoon and is farting all night long.
After mexican and sex Nancy was Paul's jetpack all night long.
by J Dub Diggity May 9, 2011
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A sexual position in which the penetrator begins by standing right behind their partner and hugging their shoulders from under the armpits. They then insert their penis inside the partner while the partner hoists them up on their back in a lazy piggyback position. The partner will then loudly proclaim, "Gotta Blast!" before running around the room in a circular frenzy.
Joe: Hey, why are you sleeping on my sandwich?

Jill: Sorry, I spent the whole night jetpacking.
by lidorgod April 21, 2022
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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!
by LoganPhyve September 4, 2008
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When you get so high that you start remembering things that you haven’t thought of in years in reverse chronological order.
Jetpacking helped Randy remember the name of the girl he kissed at camp in fourth grade.
by bstujm February 23, 2020
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a noun replacing purse back pack
girl1- i got a purse-back pack for christmas

girl2-so its a jetpack?
by shamrocksweetie February 27, 2009
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When the male is the shorter partner in the sexual encounter and is performing intercourse from the back.
"Gigi is mad short, he must jetpack on Sarah all the time."
"Oh definitely he is mad jetpacking on her."
by iJetpack December 2, 2011
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Last night really sucked. I was jetpacking Jeff the whole time.
by Gingersnap18 March 13, 2016
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