True Story about Tim Robbins, archaeologists, and hipsters.

My professor was at a conference thing, and he and his friends were at the bar talking to Tim Robbins (yes, the Shawshank Redemption Tim Robbins). Midway through the conversation...
Tim Robbins: Wait, so you guys are actual archaeologists?
My professor: Yes, of course we are!
Tim Robbins: Oh man, I thought you guys were just a bunch of fucking hipsters posing and talking about archaeology.
My professor: *whispers to friend* What's a hipster? *googles on iPhone*
....
...
.
My professor: Shit. We need to start dressing better.