Definitions by AP Style

serendipenis 

When a girl gets play when she least expects it.

"I wasn't even going to go to that party, but it would up being a serendipenis night -- I went home with an adorable boy."

serendipenis by AP Style June 22, 2009

serendickity 

When a girl gets play when she least expects it.

"I wasn't even to go out, but it was a night of serendickity! I made out with that cutie pie all night long."

serendickity by AP Style June 22, 2009