In the Friends episode The one with two parties, while Mr. and Mrs. Green both came to the party and Monica was panicking why did Chandler say:
what would Jack and Chrissy do?
Who were Jack and Chrissy?
Here is the full context:
Mrs. Green: Oh well thank you. Such a gentleman. Thank you. (Chandler takes the hot pink coat and grimaces at it) Ahh, it all looks so nice, so festive, all the balloons... (Chandler, remembering that Joey and Mr. Green are in the bedroom, throws her coat in a cupboard) The funniest thing happened to me on the way here. I was...(Joey peeks out)
Phoebe: (cutting Mrs. Greene off) Ha-ha, that's great, ha-ha. I can't wait to hear the rest of it, ya know, but I really have to go to the bathroom so... Hey, come with me. Yeah, yeah, it'll be like we're gal pals, ya know, like at a restaurant Oh, it'll be fun, c'mon. (They go in the bathroom)
Monica: Oh my God, oh my God, oh my God.
Chandler: Ok, think, what would Jack and Chrissy do?