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

When a girl blows on a guy's penis after taking a drag from a cigarette and then proceeds to stick a finger in the guy's ass and yell choo choo while blowing and sucking on the penis!
by MTC's Pub featuring Johnny August 19, 2006

when a person takes a shit on their partner's chest and smears it all the way down their body, while smoking a cigar (yelling choo-choo is optional)
Boyfriend: Hey babe, i'm kinda horny lets try a steamboat willie
Girlfriend: Okay i'll get the cubans
Girlfriend: Okay i'll get the cubans
by BonerCoveredInShit September 10, 2009

A variation of a "Wet Willy" but where emphasis in the "Wet Willy" is placed upon saliva, the emphasis in the Steamboat variation is placed upon ass sweat.
by Captain Hammer January 11, 2008

During the act of having anal sex with a woman while she has her period, one reaches under her to find the string of the tampon and gently tugs at it shouting, "Toot toot, Steamboat Willie".
by SpartanAOD January 11, 2009

by PJcreates November 02, 2023

by johnny boyy April 20, 2015
