marathonger 

someone who wears thongs for extended periods of time, for example, up to 24 hours or wears thongs for several weeks or more at a time.

Becky's gynecologist told her to lay off the marathonging because she's getting excessive yeast infections.

marathonger by cinematek July 3, 2004

Marathonversation

A conversation that lasts significantly longer than any party intended, and which may result in an unexpected dead cell phone or need to re-hydrate due to its surprising length.

There was hardly a topic we didn't talk about during last night's marathonversation, after which I had to charge my cell phone and re-hydrate.

Marathonversation by AwesomeGuy47 July 10, 2009

pussy marathoner 

A female who moves incredibly slow while dating and treats her pussy like It’s a prize at the end of a marathon. Often only wanting to go out once a week for weeks at a time and no signs or expectations of sex.

Hey Carl, you still talking to that Jenna girl?
Naw man, I had to cut her loose. She was a pussy marathoner & I'm not running.

pussy marathoner by 2LunchTommy September 6, 2020

Marathoner 

A person who has run more than 6 marathons, and/or has shit themselves during at least two races

Wow, Prancis finally became a marathoner

Marathoner by Janet Butterworth November 4, 2023

Marathonist

A marathonist is someone who makes Friday Night Funkin' marathon songs. (More commonly known as "FNF Marathons", or "Marathon Songs".)

An FNF Marathon is a Friday Night Funkin' song that features at least fore than 2 characters that sing throughout the song, and are usually pretty lengthy, commonly anywhere over 10 minutes long, though there are some about 5 minutes long.

Person 1: Have you ever heard Shackle's FNF Marathons?
Person 2: Oh, yeah, he's a great Marathonist!

Marathonist by Glitchurr February 17, 2026