It's like Classic Conan (similar to Classic Letterman) as he riffs and improvises the whole time...
Haven't laughed this hard in a while other than his occasional insult-sessions at the expense of Jordan (http://www.youtube.com/results?search_query=conan+Jordan) (one of his producers -- who, by the way, is not some scripted character, he's The Real Deal, see http://www.reddit.com/r/IAmA/comments/1ajju2/ ).
The whole lengthy thing is hilarious, but this part especially was spit-take-worthy:
http://www.youtube.com/watch?feature=player_detailpage&v=ymeseAJqKAE#t=8m45s
"I just ran over a bicycle messenger? I don't give a @%&#! Feel that leather..."
"...Katrina rain?"
hahaha
Friday Funny BONUS: photocopier paperclip prank (http://www.youtube.com/watch?feature=player_detailpage&v=Y8lS9NSCG0Y#t=2m52s)
(I totally want to try that, but in my office the photocopier = the printer too so can't really work -- but I totally encourage others to try it if applicable!)
Hah!