My favorite part of that clip is where McDonald purposely overexplains the joke.
"What, is it called Nine and a Half Seconds?"
(pause)
"Because he prematurely ejaculated."
Not many people could have hijacked someone's interview like that without coming off as a total tool. Viva Norm McDonald.
Speaking of memorable Conan O'Brien appearances, here's Artie Lange's infamous train wreck of an interview.
http://defamer.com/359813/artie-lang...eathwatch-list