While your choice is certainly terrible and really fukken annoying, Muffin.
It doesn't make me feel quite as ill as seeing/hearing Boy George :x

Soft Cell have the same effect on me as he does, so why is Tainted Love so fucking catchy, I hate myself for not hating that song :1

Edit: I remembered another awfull one.
The Wurzels - Combine Harvester
oo ar oo ar~

There's too many shitty songs to list really.