When a somewhat (or extremely) disgruntled retail store employee takes out their work rage on the intercom, typically really loud and sometimes ear piercing. Usually someone who has been working there for a while with a nasty attitude.
"Hey, did you hear Melissa's ragepage over the intercom? I think she scared that customer in aisle 14..."
a campsite in which multiple people party hard, or "rage" if you will. often involves various substances and live music. if one wishes to observe or partake in rage cage they are found in plenty at festivals