'Cope' has been a meme word on 4chan for a while now (along with 'seethe' and another that I won't repeat.) I believe 'cope cage' originally came from 4chan's

'Cope' has been a meme word on 4chan for a while now (along with 'seethe' and another that I won't repeat.) I believe 'cope cage' originally came from 4chan's /k/. 4chan culture bleeds out into the rest of the internet though, so it's hard to say for sure.