A u-boat is someone who can have an invisible disability and go undetected for years, like a u-boat, or an underwater boat.
by Siouxsie Supertramp November 20, 2023
Get the u-boatmug. by Mac Finder May 21, 2018
Get the /u/RavenPersonmug. by sophia tanique July 10, 2021
Get the fuck umug. U is for u and me
by Big Boi Chungus July 30, 2019
Get the Umug. by Cocoforcocoapuffs December 11, 2020
Get the Fuck umug. 
