AJ, from Nottingham Trent Uni's definitions

Tough Tits

A sarcastic phrase used to express one feelings of flippancy. Similar to the phrase ‘Too Bad’

Man comes into shop
Shopkeeper: I'm just about to go on my lunch break, I'll get Margret to serve you. MARGRET, MARGRET....slight pause

Margret: ....YEES!

Shopkeeper: shouting upstairesCan you come down and serve this gentleman please?

Margret: after a moment of awkwardness...I haven't got any arms or legs!

Shopkeeper: Aww...that's tough tits int' it.

by AJ, from Nottingham Trent Uni January 1, 2005