Quote from Ted in The Goat
Marshall: Article 29 "A bro will in a timely manner alert his bro to the existence of a girl fight." [flashback to Ted phoning Barney from the bar:] Ted: Dude, two girls are fighting at MacLaren's. Barney: What?! Ted: Yeah, yeah. It was crazy. This one girl was like... [Barney arrives] Oh, hey.