a girl who is fresh out of a relationship and trying her best to move on from it.
a girl who is living her best life after a breakup
Did you see Gracie flirting with the guy at the bar? Yes! She is Miss Moving On
An alternative way to say 'you are too much'. The longer version is 'you kill me'. The use is for when your friends are being extra but you don't really care you say 'OMG you kill' and move on.
Matt: I made out with three guys last night.
Hailey: You kill.