A vagina that looks and smells like the underside of a unkept rowboat that has been lying in infested, stagnant water.
by 🌹ie November 13, 2015

Melissa: Cathy, what the fuck are you doing here?
Cathy: Uh, I was just uh...uh... rowing the boat, if you know what I mean...
Melissa: Gross!
Cathy: Uh, I was just uh...uh... rowing the boat, if you know what I mean...
Melissa: Gross!
by E hates Q February 14, 2021

A person with an enormous chin. Originates from the saxon phrase "Botineus Chinarmus", meaning "Viking ship on bottom of face"
by The Man after the first man August 14, 2008

Your mom and I were watching the History Channel last night and we got heated and I ended up U-boating her ass!
Brbbbbbrrrrbbbbbbbrr....
Brbbbbbrrrrbbbbbbbrr....
by Thought Monkey July 9, 2010

by Throbbing Monster February 10, 2009

Joe:Did you hook up with that girl last night?
Alex:Yeah I definitely pulled out the sailor hat and beef boat'ed her
Alex:Yeah I definitely pulled out the sailor hat and beef boat'ed her
by AlextherealOG69 May 30, 2016

A chick that you fuck on a boat that you own and you fuck her on the boat exclusively in whatever city the boat is slipped.
by SeamusOLanigan September 9, 2016
