Because he's lack-toes intolerant.
Because he was Snowd en! (according to my friends this joke has been around for awhile, but I hadn't seen it yet, and wanted to share the goof)
Na 'ma ste
Biden: What color should the lion be Yellow. Biden: I'm using green. *giggles*
You have been in your closet for an entire month cleaning it!
Because they don't have a leg to stand on. Note: I'm a right leg amputee and I made this up myself.