One of the variatons of the name Kristin. Variations are as follows:Kristin, Kristen, Kristen, Christin, Christen, Christyn, Kirsten, etc.
Not neccessarily a "kool" person. Can also be a fun person to hang out with, someone a bit boring, or someone that is just an asshole.
"We're going to name our daughter Kristin."
"Will you be spelling it -in, -en, -yn, or have you invented some new way to end it?"