It means you need to see a doctor TODAY! Got it? TODAY - that's an order. Do it!
Why have you not seen a doctor, the longer you wait the more can go wrong. Are you diabetic, low bp? Plus the examples above, don't wait any longer if you like your feet!
it could be winter you stay out side too long and you might have this thing call Ronald's syndrome there is no cure but you can used toe warmer in your shoes
Either your too fat to bend down that far or you haven't got any feet.
I know this sometimes happens with alchoholics! There is a decrease in blood flow and it affects your toes and can even affect your fingers! Either way, this is not good! Get a professional opinion!!
Yeah that or you could be diabetic. Regardless, you better get to a doctor!