Revised Old Pilot (aka Invitation to a Wedding) - S1.E8

When Maggie's ex-boyfriend, Jake Monroe, the guy who couldn't commit, phones her, she thinks he wants to reconcile. But the reality is that he's getting married and wants her to attend his wedding. So she attends, trying to pass Paul off as her new boyfriend, but she winds up in a drunken stupor and proposes a curse instead of a toast before writing ""Just Married. . .A Cow"" on the back of Jake's car.