Pick-up lines are a way to select for easy women

An interesting article posting the theory that men use creepy/funny/sexual innuendo lines, to assess the type of woman, based on her reaction. It does make some logic, to some point I guess…

The Hidden Purpose of Chat-up Lines | PsyBlog

An ingeniously simple answer is suggested by both Bale (2006) and Cooper et al. (2007), with some evidence to back it up. Chat-up lines may be a way for men to select for a particular type of woman. In other words, men using sexually-loaded remarks are looking for a certain type of woman (an easy one). Similarly, at the other end of the scale, men who use character-revealing or culture-based openers are probably trying to show they are a good mate looking for a long-term partner.