Any advice on how to deal with this loser guys pls help !?

whats the best way to show my 'friend' i dont give a damn. he was all over me like a rash when he needed help with work, his homelife etc etc . i even helped him get a transfer to a new team because him and the manager didnt click. now im of no use but he called last night to meet for coffee. i want to play this cool and make him realise what a bloody good friend he had. advice needed guys on how to handle the schmuck pls !!!!!!