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
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!
Dude 2: You're totally back crushing homeboy!
my crush likes me back!
IMAGINATION
Dude my crush likes me back!
No dude, IMAGINATION.
No dude, IMAGINATION.