"Oh don't mind Walter," Caro says, face still squished against Joker's. "He's just mad he had to get up before noo--" She can't finish that sentence because she's now laughing really hard at Joker grabbing Walter's ass.

After a moment she manages to quietly choke out, "the Assgrab Maneuver lives." That's also about when she realizes that she's been laughing so hard she's kind of clinging to Joker. She'd feel bad about that if he weren't, you know, in her lap and all.