I have a bed, but never sleeps, I have a head, but never sees, i have a mouth, but never eats.

What you are doing right now, a pass time of sorts. Making guesses and unscrambling words.

I'm hard as stone when dry but slippery when wet what if I?

Some people think I'm the entire corn, but I'm just the kernel. There are countless versions of me, all with different names. When people think of me, they'll probably think of a fat, non flying bird, named after a piece of clothing.

When things would head north, but mistaken, head south, Wine's spilt in your shoes, and your foot's in your mouth, What am I, that slips quick, twists and mixes you up? For there's many a slip, 'twixt the lip and the cup