Take this girl, for instance. Here at the dance club, she's in her element. The low lighting, the loud music, the alcohol. All these things work with her condition to make her look appealing.
HI!
Hells yeah.
The elements all blend to lure her pray home, that is until...
WOULD YOU LIKE TO GO HOME WITH ME?
YES, YES I WOULD!
The next day, without the aid of loud music, lowlights and alcohol, the truth is revealed. She is what is referred to as 'bar pretty', one who is only attractive in a bar.