Steam boat willy 

A blowjob performed over the pants

Will ruined hasan’s pants after a steam boat willy

Steam boat willy by PooPooPiker July 2, 2019

steam boat willy 

Someone who’s book smart but lacks the common knowledge. Tends to be goofy looking and you can tell from a distance that they are a different breed:0

“Hey did you see that guy, total steam boat willy”

steam boat willy by Carly rivers October 5, 2020

steam boat willy 

giving a 69 while you backstroke on the water

you and me can head back to the pool and we can do the steam boat willy

steam boat willy by dr.doppio October 27, 2021

steamboat willy 

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.

"Hey Brian, don't Steamboat Willy me while I tie my shoe."
-Michael Norman

steamboat willy by Captain Hammer January 11, 2008

steamboat willy 

To burrow your nose into an anus durring sexaul playtime. Also known as a Grundle.

The key to any good Grundle or steamboat willy is copious amounts of ass sweat.

steamboat willy by Tasty Time October 29, 2012

Steamboat Willy 

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

Steamboat Willy by ismokeeducation November 13, 2019