madathonist 

a person who makes other people mad.

She is the madathonist who made me mad with her madray.

madathonist by natasha pestana June 27, 2006

Marathonitis 

When a woman is undoubtedly flattered by a charming man, she experiences the symptoms of Marathonitis. Symptoms include uncontrollable smiling, giggling, nervousness, and many similar feelings related to flirting. There is no cure for Marathonitis. Once you have acquired Marathonitis, there is no turning back.

Boy: You look adorable this evening Kitty!
Girl: *blushes* Thanks Puppy :)
Boy: I think you just caught the Marathonitis ;)

Marathonitis by Christaky December 31, 2011

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