Literally means 'damn thief' but is more used in a situation where someone is trying to rip you off.
Item has 50p sticker on it: I go to the till:
Shopkeeper: Thats £1.
Me: Its 50p!
Shopkeeper: no no, price is wrong...insert rubbish excuse here
Me: Diamn teef.
Shopkeeper: Thats £1.
Me: Its 50p!
Shopkeeper: no no, price is wrong...insert rubbish excuse here
Me: Diamn teef.
by me old fruity May 3, 2006