The act of pleasuring oneself with Nickelodeon's trademarked Gak product; preferably while watching any Nickelodeon, Snick, Nick at Night, Nicktoons, TeenNick or Nick Jr. program (Double-Dare, All That, Power Rangers, etc.)
I won't be able to make it to the party this evening. There is a Are You Afraid of the Dark marathon on Nickelodeon that I will be Gaking-off to all night.
by MarkSummers4ever October 7, 2013
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by the higious November 30, 2020
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