My sister came up with this word to describe me when she was about eight years old. It is a portmanteau combining "hilarious" and "comedian." It is used sarcastically conveying the idea that "although you think you're funny, you're not."
Dude: Jack be not nimble; Jack be not quick; Jack couldn't jump over that there candlestick.
Bro: Hilarious, dude.
Dude: I'm a poet, I knows it.
Bro: Yeah, you're a real hilarian.
"Hilaristurbing" (adj) used to describe something that is both HILARious and dISTURBING.
It's origin is from an online story written by Alexandra Erin called "Tales of MU".
In the story - an adventurous nymph named Amaranth describes her attempt to teach a horse to count with the intent to avoid her deity's prohibition against lying with unintelligent beings. Chapter 60 - Leather
“Hey, I just discovered a new adjective,” Steff said. “‘Hilaristurbing’.” She turned to me. “I think Amaranth has exited the dungeon, hon…”
- to find humor in bad or serious situations
- to find a certain adversity or misfortune laughable
- to view a strike of bad luck as funny/hilarious
- to maintain cheerfulness during a tragedy or disaster
From: Hilarity, Hilarious
Margaret looked cheerful and amused as she told us of how she kept failing the same course over and over again. She tends to hilarize such situations.
Tony hilarized his best friend's fall. He couldn't stop laughing when Sam tripped over a stair and landed hard.