Or stepping on a slug at 4am with no shoes or socks on, not painful, just feels fucking awful.

( TonyUNDERSCORE from the Internet, Fri 10 Jul 2009, 20:28, archived)

Oh yes, I've narrowly avoided that a few times.
My walk home from work sometimes ends with my boots covered in a slug massacre if it's been raining and I've not taken due care.
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Fri 10 Jul 2009, 20:33, archived)

Or that intense feeling of fear in the first three seconds you get your head caught in something.
..until you realise, it isn't actually that bad.
( TonyUNDERSCORE from the Internet, Fri 10 Jul 2009, 20:35, archived)