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 therecandlestick.
Bro: Hilarious, dude.
Dude: I'm a poet, I knows it.
Bro: Yeah, you're a real hilarian.
Hiilandism is a specific practice, system, or philosophy of the Religion of HiiLand. Religion of Hiiland was birthed by a collective of musicians named HiiLand.
1. He converted into Hiilandism when he got married.
2. He lapsed from Hiilandism when he was a student.