>>It's a recurring line from the movie Stripes with Bill Murray. Basically means that you shouldn't take some things so seriously. A joke is still just a joke.
>
>I like Bill Murray's old films... When I see Ghost Busters on TV, I don't change channel more...

Yeah, I was ok with Groundhog Day and some other recent stuff - even Lost in Translation was ok - but I like his older stuff the best.