Hydrobaitin'
The exercise of masturbating in the shower or in any other wet environment including the bath, jacuzzi, swimming pool etc
Guy - "So i walked into the bathroom the other day and caught Bobby hydrobaitin' in the shower"
Guy 2 - "Fuck man what the shit dick thats nuts"
Guy - "Yeah haha he was going at it!"
Guy 2 - "Fuck man what the shit dick thats nuts"
Guy - "Yeah haha he was going at it!"