When you figure out someone has been lying to you by either common sense, street smarts,or investigative skills, much like famous detective Nancy Drew. Tends to lead to total ownage by said investigator, and utter humiliation by the perpetrator.
Liz: Omgz! I knew she was lying!
Sarah: Wha..?
Liz: I found his real myspace! The other is a fake!
Sarah: You dont say!
Liz: I do say! I've put all the clues together. This seals the deal, nukka.
Sarah: Well, you just Nancy Drew'd her ass.
When you can't remember anything the morning after drinking too much and you're looking around or calling people for clues to what happened.
Girl, it's a Nancy Drew morning! I don't even remember coming home! I'm not hungry though, so we must've ate something last night, I'm checking for clues.... the trash can for empty packages and the dishwasher for dirty dishes. What do you remember?
when a person snoops around and finds out everything about you which may really piss you off.
note anyone with a computer can be a potential nancy drew
nancy drew: secrets can kill.
nancy drew: the secret of shadow ranch.
nancy drew: the curse of blackmoor manor.
nancy drew: the final scene.
nancy drew: message in a haunted mansion.