Drowning Mona is a 2000 crime comedy film starring Danny DeVito as Wyatt Rash, a local police chief from Verplanck, New York, who investigates the mysterious death of Mona Dearly, a spiteful, loud-mouthed, cruel and highly unpopular woman, who drove her son's car off a cliff and drowned in a river. Wikipedia
Ellen: Yeah, but you're not even supposed to get that far, you're supposed to have that thing in your head that goes off and says, 'bad FUCKING idea, Bobby!' Bobby Kalzone: I have that thing! I have that thing. It just didn't go off. Ellen: (pause) Yeah, well, I'm pregnant. Bobby Kalzone: What? You're pregnant? That's great! Ellen: Uh huh! I thought so too, till a moment ago. I can't believe you killed someone! (gets up to leave) Bobby Kalzone: Where you going? Ellen: Home! Bobby Kalzone: We need milk.