Noun: A friend that you flirt with, even though you would never date him/her, a practice crush so you're prepared when you actually have one.
When Simon was my flirt friend and I practiced on him so much that some of my friends thought we were actually dating.
by Jasmine319 September 20, 2014
A friend that you would gladly make out with if they asked you to, but don't want to ruin your friendship with
Eric is my favorite flirtfriend
by Hinatatertot October 20, 2015