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!
Holy Crap,I got jetpacked by Brian the other day and it was Friggen' Cold!
by LoganPhyve October 18, 2008

When you get so high that you start remembering things that you haven’t thought of in years in reverse chronological order.
by bstujm February 23, 2020

When someone pulls the slide of the bong a little to hard and accidently lets it go, flying arcoss the room, thus ruining a session.
by aRTie November 1, 2013

by shamrocksweetie February 27, 2009

by Joeee_182 January 10, 2010

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."
"Oh definitely he is mad jetpacking on her."
by iJetpack December 2, 2011

by Gingersnap18 July 29, 2016
