RuneScape Nerd.

(nerd who practically lives for the computer game)
A term used to describe someone who OVER-uses RuneScape and continuously talks about it.

"Omg! You're still on you rsn"!

<Rsn>"Check out my full dragon, obby shield and fire cape =)"
<Me>"Shutup you fucking rsn"
by C a i t _ ? October 7, 2006
Get the rsn mug.
It’s a car class for racing. Stands for “real street natural”.
hey Jim, what class is your car in?
It’s in RSN, real street natural.
by Suc my pussy May 27, 2022
Get the RSN mug.