1 definition by ThyReginator
To perform the act of masturbation while laying on ones stomach then hold onto the ejaculation until rolled over to thus clean up the ejactulation.
Woah dude I had the best plank wank watching James OAT.
Jordan and Patrick were seen Plank wanking together!
Jordan and Patrick were seen Plank wanking together!
by ThyReginator November 27, 2017