The DON'T YOU (FORGET ABOUT ME) singer was getting into his performance during a recent concert in Barcelona, Spain when the incident happened.
And he says the embarrassment of his gaffe was worse than the injury itself - which has left him resembling POGUES singer Shane MacGowan.
Kerr says, "My arms were milling around my head in every direction, while my feet attempted a whirling dervish-type thing.
"Unfortunately, amongst this quasi state of fit, I managed to stupidly smash a heavy chunk of metal microphone right into my two upper front tooth.
"That gifted me some lovely bits of broken teeth, lodging in the back of my throat as I tried to cope with the remaining verse.
"I had to stop and go off stage as it was really painful, but I survived. The overall embarrassment was much more excruciating.
"My teeth were shattered almost beyond repair and Shane MacGowan was probably getting worried that I was stepping onto his territory.
"Grinning hasn't been that easy for me recently. Ordinarily I would have a good mind to sue the boss, except in this case I am one of the bosses, plus it was my own bloody fault."03/03/2004 14:08