A phrase adopted by youth culture from the cult classic, Pulp Fiction meaning "did not sufficiently research that topic".
In one memorable scene of Quentin Tarrantino's best movie, before he ran out of original ideas, Jules Winnfield, a smooth talking African-American contract killer, describes his trip to Europe to his friend and fellow contract killer, Vincent Vega. He points out the subtle differences between American culture and European culture:
Vincent :But you know what the funniest thing about Europe is?
VINCENT: It's the little differences. A nlotta the same shit we got here, they got there, but there they're a little different.
VINCENT: Well, in Amsterdam, you can buy beer in a movie theatre. And I don't mean in a paper cup either. They give you a glass of beer, like in a bar. In Paris, you can buy beer at MacDonald's. Also, you know what they call a QuarterPounder with Cheese in Paris?
JULES: They don't call it a Quarter Pounder with Cheese?
VINCENT: No, they got the metric system there, they wouldn't know what the fuck a Quarter Pounder is.
JULES: What'd they call it?
VINCENT: Royale with Cheese.
JULES: What do they call a Whopper?
VINCENT: I dunno, I didn't go into a Burger King.
Your girfriend asks: "Dear, did you figure out which home insurance policy we should get."
You reply: I dunno, I didn't go into BurgerKing.
At this point, your girlfriend should understand 2 things. 1) You did not have time to research the topic that she brought up to provide her with a conclusive answer.
2) She should shut up and let you watch the game.