fat one 

a large joint.

"I just rolled myself a fat one."

fat one by bgt April 1, 2003

fat one 

A penis, specifically a bulbous or "chode" like member. Less of a "shlong" more of a "wang".

"Slap a fat one in your mouth and STFU"

fat one by Colly May 13, 2005

fat one 

1) large penis 2) fat chick

I slapped a fat one with my fat one!

fat one by MBC April 1, 2003

fat one 

An overly sized penis (like my own).

Nice hair faggot. Choke on a fat one fucker!

fat one by Huge fucking dick April 1, 2004

Fat One 

When you nut so good the shit splatters everywhere.

Yo homie I busted a Fat One last night. Good ass premium porn.

Fat One by DashUnaSkorDash September 20, 2018

Fat one 86 

A greeting used during conversation with a Streamy.

“What’s up fat one 86?”

Fat one 86 by MysticalGod January 1, 2022

Rip a Fat One 

To rip a fat one is to rip a massive fart that could potentially cause an earthquake or rip a large hole in the pants.
This fart is usually extremely stinky, pretty much equivalent to the same gas used in world war 2 by the nazi executioners.

Jared - "Oi Atef! Rip a fat one!"
Atef - "*Rips a fat one*

Rip a Fat One by Atef Lord February 8, 2021