Marshall and Lily have a tradition when they pick each other up at the airport, one wears a chauffeur hat and carries the sign while the other arrives with a six pack. Here's Lily with Aspen Yard's Ale.
Ted: We should buy a bar. Barney: Of course, we should buy a bar! Ted: We should totally buy a bar. Barney: We should totally buy a bar. Our bar would be awesome. And dude, dude, dude, dude... the name of our bar... Puzzles. People will be, like, "Why is it called Puzzles?". That's the puzzle
Lily [on the phone]: Hey, baby. It's lunchtime, and I love you. Marshall [on phone in front of co-workers]: I reciprocate in principle, although with the caveat that there seems to be a bit of a surplus here on my end. Lily: No, I love you more. Marshall: Do we need to get in a room together and bang this thing out? (pause) Those sound like agreeable terms, although I may need to adjust my briefs