When a man engages in anal intercourse with either sex. The male pisses inside the partners anus, filling their rectum to the brim. The man then forcefully thrusts his penis in and out causing a collapsed mineshaft. He then pulls out and the partner farts spraying urine and shit residue all over the man's body.
by Sirfapserlot September 14, 2017

by Mrheadphimes February 16, 2020

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

Isaiah: “Yo did you hear”
Ryan: “No, what happened”
Isaiah: “Will Gilberg steamboated the shit out of Alex last night”
Ryan: “Yoooooo, that’s crazyyyy”
Ryan: “No, what happened”
Isaiah: “Will Gilberg steamboated the shit out of Alex last night”
Ryan: “Yoooooo, that’s crazyyyy”
by Benschewedjohnson34.5 January 30, 2021

Wow dude that was a total Seosamh Steamboat Zoidberg Creamboat Community Napalm III Fallon
Wow sorry man I really owe you an apology.
Wow sorry man I really owe you an apology.
by Mleahy39 May 5, 2018

A man who is ridiculously attractive. In addition, the word used as a verb can mean to have steamy sex.
by BootsMcGee July 11, 2019

Smithsonian Steamboat is a term used when an older lady smokes a cigar or vape with her vaginal canal then another person pulls the smoke out of her vagina with there mouths and blows it back into the older lady's mouth.
Crum: WHO WANTS A SMITHSONIAN STEAMBOAT
*The people at the retirment home look at him confused*
Crum then proceeds to give everyone a Smithsonian Steamboat
Everyone wins
*The people at the retirment home look at him confused*
Crum then proceeds to give everyone a Smithsonian Steamboat
Everyone wins
by BlowMo2ndCusion December 11, 2024
