She was trying to keep her creditors at bay by 'robbing Peter to pay Paul'. [=using one credit card to make the payments on another credit card]
Their romantic relationship 'petered out' after the summer.
Interest in the sport is beginning to 'peter out'.
(..) -I need a sweater. It must be kind of.... -No, you'll be warm enough. Ready? Clark said that you were just a figment of somebody's imagination. Like peter pan. Clark, who's that? Your boyfriend? -Clark? No, he's nothing. -peter pan? peter pan flew with children, Lois. In a fairy tale. (..)1978 Superman