To appear serious, but actually meaning the opposite - most of the time. Usually followed up by the 'piss taker' (the one who joked) revealing he/she was only joking.
'Hey did I ever tell you you're fucking pug ugly?'
'No you didn't and that hurt'
'I'm only taking the piss. You fucking filthy mongoloid.'
'No you didn't and that hurt'
'I'm only taking the piss. You fucking filthy mongoloid.'
by Iwo June 13, 2007