Cardboard pieces rubbing against eachother. *shudder*
agree with OP about scratching a plate, that's awful! erghhhh! also rub cotton wool together and it makes a horrible squeaky noise,try it
Licking wooden spoons or rubbing them against a teatowel or apron.
Filing my nails, or anything along the lines of that, like when you have a nail with a raggedy bit on it and it rubs against some coarse fabric *shudders*
dragging your foot across the carpet against it's sort of natural flow. don't know if that makes much sense to anyone but it's just aaargh.
fingernails scratching on paper..............
David Cameron closely followed by George Osborne.
Anything to do with like...piercing or cutting or poking eyes. Urrrgh.
Or having moisturiser/make up on my hands.
I cant touch my ear piercing...The feel of the metal moving just makes me feel sick and shudder.. =P