Taits Mum
To be referred to as "taits mum" is quite offensive. It generally means slut or "Dundee ho bag". The phrase is quite common place in Dundee and gaining use around Scotland.
Dom: I see you were firing in to Ashley, get anywhere?
Dane: Nah man, she's worse than taits mum, gives me the boke.
Dane: Nah man, she's worse than taits mum, gives me the boke.