Quote from Barney in Symphony of Illumination
Barney: Insane Duane? Duane: Barney? Future Robin: [v.o.] Insane Duane was your father's best friend, back in the days before he met me or your Uncle Ted. [flashback to Barney and Duane at MacLaren's:] Duane: We're going back to her place. Boom! Barney: All right, you win! Here's 20 for picking up a girl with only one word. And here's another 20 for that word being "boner." Duane: Thank you. I'll meet you back here in an hour when I'm done with, uh... Ah, who cares what her name is; she won't be around long enough for it to matter.