cold folder
When your girlfriend or boyfriend is mad at you during school and puts his/her folder in their hand so you cant hold it. See cold shoulder
Dude 1: "What's up with you and your girlfriend?"
Dude 2: "I don't know man! My ex said hi to me and then i got the cold folder. Wtf.."
Dude 2: "I don't know man! My ex said hi to me and then i got the cold folder. Wtf.."