A person who is truly amazing. One of the funniest people in the world. A rilestein is something/someone that lifts everyones spirits whenever they are around them. Don't underestimate the power of Rilestein, you will be made a fool out of.
"I was at a party last night and this kid was such a Rilestein. I couldn't stop laughing"
by JodiKins March 10, 2009