To pleasure oneself with a dildo after putting it in the microwave for 5 seconds.
guy 1: Do you think those girls were DTF?
guy 2: No way man, all they wanted to do was go back to their apartment for some serious hot tubing
by BAJones72 April 17, 2011
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Hot Tube: noun; a beer bong used immediately after being washed with hot water, so the tube of the bong is hot, which increases the temperature of the liquid placed inside, thus making the consumption of said liquid less desirable.
“Alright you smash the first white claw out of the hot tube.”
by Mw_hc November 20, 2019
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"Look at Payton's spelling on this paper."

'hot tube'

"What an idiot."
by PPL. (: November 10, 2011
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Guy 1: I want to watch porn on YouTube but YouTube doesn't allow porn! What do I do?

Guy 2: Go to Hot 4 Tube. It's the porn version of YouTube.
by Striker122 July 17, 2009
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