Top Definition
the act of having intercourse in a pool or lake and when finished drowning the partner for fun
Alex- what did u do last night?

Jack- water monstered this prostitute in wyoming.

Alex- YOUR A SICK MAN!

Christi- ughhh last night was so lame!
Laura- why?
Christi- Jack thought it would be funny to water monster me but he decieded not too after i almost died.
Laura- what a jerk!
Christi- but its ok i seduced him into some sloppy seconds and water monstered that asshole myself
by pinkdinosteez September 03, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×