This insult came up in almost every thread from the time period in the election forum, and almost every thread from Reddit on /r/politics and several other boards. It still comes up often enough if Hillary gets criticized in /r/politics. It was a common phenomenon across the Internet.
I’ll spend maybe five minutes but google pops up the term (searching this site alone) frequently enough. I’m ignoring illusions to bernie bro and using only the exact phrase, or variants like “berniebro” or “bernie-bro.”
Thread Title: “Hey Bernie, go to hell and take all of your Bros with you”
I can easily dig out more.
OH, apparently, someone already had at the time: