1. To masturbate while in water to someone who is also in the water.

2. To surprise masturbate someone while in water.
1. "Yo dude Charmina looks so freaking hot swimming in her bathing suit. I'm gonna go to the far end of the pool and JAWSTURBATE to her. Brb."

2. "Charmina saw me rubbing one out to her under the water and came over and started making out with me so I JAWSTURBATED her."

"You're lying"

"Yep."
by GoodPartOfTheGhetto March 15, 2016
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