A steamboat Susie is the act of shitting in a long party balloon then putting it in the freezer for half of an hour and proceeding to beat someone up with it
by Impressive name November 10, 2013
by Keenan15 April 11, 2010
When you are titty-fucking your sister and right after you blow your load, you use one hand to hold her tits together while you rock backward and rip a huge fart through her cum-covered tits, making the sound of a steamboat horn and spraying her face like she were riding on a steamboat in heavy surf.
by Missy Steambizzle April 26, 2016
by cjlethal August 08, 2022
by You Mad dickhead March 29, 2017
Marks an age where people have become sexual mature to admire the people who they are sexually attracted too.
We are off to the steamboat museum!
by Oobegal April 13, 2011
when a girls sucking your cock underneath a blanket, so you fart and she has to come up for fresh air.
by Someguysfirstname April 09, 2004