If Kunis, Macaulay Culkin's girlfriend of seven years, comes across as the kind of ingénue who'd feel comfortable talking about bong hits and bottle rockets, it has served her well. Since her 1998 breakthrough in That '70s Show, she's become a natural casting choice for edgy, dude-friendly comedy like Family Guy and Judd Apatow's Forgetting Sarah Marshall. "She has a rock-solid stomach when it comes to humor," MacFarlane says. "She's never refused to do a joke." Only one conversational topic seems to make her wince: the chronic media drool over the tallest of her costars from '70s. "Yesterday," she says, "a woman asked me, 'So! Was Ashton a prankster on set?' I went, 'Oh my God. For real?' That's when I know the interview's going sour—when they ask me what it was like kissing Kutcher. The show's been off the air for four years. It's just no longer cute or funny."

Beyond that? "It takes a lot to offend me," she says. "I mean, I'm sensitive to certain things. I haven't figured them out yet. But I'm sure they're there." There was a Family Guy skit three or four years back, for instance. "It was a whole musical number about prom-night Dumpster babies," she says.

She laughs—a small, muffled heh-heh. Next comes a snort.

" . . . The skit is all about, like, young girls on prom night giving birth to babies and throwing them in Dumpsters. . . . "

She laughs louder now. Slaps the counter with her hand.

"I said, 'This is fucked up!'" Another snort. "You have to see it! There's these little babies . . . these little umbilical cords . . . !" By now she's lost it so completely that her shoulders are trembling; she places her forehead on the counter and waits a moment for the nitrous oxide to dissipate.

"I'm going to hell so fast," she says. "Like, on an escalator. It's going to be a straight shot. There's not even going to be a stop in limbo."