1 definition by Sinker23
having sex with a girl doggy-style in the pool, in deep enough water that she has to keep paddling to stay afloat.
"I was in the pool with Catherine, and we ended up steamboating! The huffing and puffing when she ran out of breath only made it better!"
by Sinker23 May 23, 2006
Get a steamboating mug for your cat Trump.
