Barney: There’s no way she’s above the line on the ‘hot/crazy’ scale.
Ted: She’s not even on the ‘hot/crazy’ scale; she’s just hot.
Robin Scherbatsky: Wait, ‘hot/crazy’ scale?
Barney: Let me illustrate!
Barney: A girl is allowed to be crazy as long as she is equally hot. Thus, if she’s this crazy, she has to be this hot. You want the girl to be above this line. Also known as the ‘Vickie Mendoza Diagonal’. This girl I dated. She played jump rope with that line. She’d shave her head, then lose 10 pounds. She’d stab me with a fork, then get a boob job.
Barney: I should give her a call.