1 definition by pineappleislandgirl

TWF

the Third Wheel Friend. the friend that is always third wheeling with his/her friends.

Sara: hey, you wanna hang out with me and Chase this afternoon?
Donna: yea sure, it's always nice hanging with you guys.
Sara: thanks, you're the best TWF ever

by pineappleislandgirl January 19, 2015