A girl who fucks her friends boyfriends and ex boyfriends for sport.
That Kirstie girl is quite the slaggy cunt. She was my best friend till her fiftieth fuck was my exboyfriend.
by Dramaqueen2121 June 21, 2017
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1. A woman who runs her mouth more than the town crier and has the miles to show for it
2. A woman that has many sexual encounters and her vagina is overused

mainly an insult
Man 1, I just saw Karen in the back alley going on off on Jeff. Man 2, oh yeahh I saw her doing that to Matthew yesterday. Man 1, Karen is such a Slaggy Cunt.
by Tye The Great January 12, 2020
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