Top Definition
A girl that only has had sex with one person and does not want to partake in sex with anyone else much like Lilly in the popular Tv show how i met your mother.
guy 1 " wow, thats a hot chick. i wanna tap that"

guy 2 " good luck mate. She's pulling a Lilly
by Rajesh22437 June 21, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.