A Steamboat Willie is a special type of sexual practice defined by the McElroy Brothers. The girl sits on the penis and proceeds to spin around quickly. When used underwater, it is a true Steamboat Willie.
Guy: When I'm in the water, I ask my girlfriend to Steamboat Willie me so I can propel myself forward.
by LamSawss February 22, 2020

by NOthin March 10, 2017

When a person takes a massive rip of a vape, and then blows it ont/into the other persons genitals while giving head.
Dude #1: Bro, I was fucking this fat chick Sarah, and I gave her a steamboat willy
Dude#2: The fuck is a steamboat willy
Dude#1: Just check the urban dictionary
Dude#2: The fuck is a steamboat willy
Dude#1: Just check the urban dictionary
by ismokeeducation November 13, 2019

by Surrealhero1979 January 4, 2024

While in bed receiving fellatio, placing the covers over your partners head, yelling "toot toot" and giving them a dutch oven.
by Dallydooley January 7, 2024
