Top definition
The act of putting a backpack on a drunk friend before they go to sleep, as to prevent them from rolling to their back, throwing up, and drowning in their own vomit.
Look, Jake is over their Jansporting that drunk ass bitch so she doesn't die.
by J Dubski May 21, 2016
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2
When a smaller person acts as the big spoon for a larger person. In this position, it looks as if the larger person is wearing a Jansport backpack.
Rick is usually the big spoon, but tonight Chelsea was jansporting him.
by Lloyd Ferryweather August 27, 2017
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