Top Definition
The act of jacking off while viewing other people's snap chat stories.
I was snapjacking last night and busted on Bella's storie
by Nathan.swank July 23, 2016

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The challenge of attempting to ejaculate within the 10 second window of a snapchat.
Before opening snapchat, he gathered all of his supplies in order to attempt a successful snapjacking session.
by z.x.c.v.b.n.m.a.s.d.f.g.h.j.k. March 13, 2014

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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