A great experience, very pleasurable. But if you don't finish fast enough you drown, so be brief.
Guy 1 : I had underwater sex with my girlfriend last night.

Guy 2 : Dude isn't that dangerous?

Guy 1 : Nah man, It was so hot I came in like thirty seconds.
by KryptonKonnor November 7, 2013
Get the underwater sex mug.