The only known romzomcom is Shaun of the Dead, although Christopher Moore wrote a book called "The Stupidest Angel" and that also is a romzomcom.
Fangirl: It's the ONLY romzomcom ever made, you tart. You know, excluding the book.
n00b: Really? And it's based on a book? That's SO COOL!!!
Fangirl: Please go jump off a bridge.