Back crushing

When you start thinking about an old crush or an ex.

Dude: It was nice seeing her again and on the way home from work a song came on that reminded me of us.

Dude 2: You're totally back crushing homeboy!

by TOPANGA18 April 07, 2011

Crush-back

One who only crushes on someone who likes them first.

Sue has a crush on Sean and Sean has a crush-back on Sue

by Arez December 22, 2012