Well, some smilies have been broken for a long while.

:spam:
:bling:
:0wn:
:clf:
:gaypst:
:ugay:
:istone:
:cats:
:gayspm:
:bored:
:night:
:bfd:
:0ops:
:cls:
:stoner:
:noob:
:whtusay:
:dead:

P.S. I've Disable smilies on this post, just to show the names. Same new smilies would be nice too.