A: Did you pick up your vitamins at the health food store?
B: I tried but there was a 'Birkenstocker' following me down every aisle and I had to ditch him.
A left wing alternative to redpilled, and a reference to the Barbie movie when Barbie is offered a Birkenstock and a high heel, and the Birkenstock represents the truth
Old hippies who break all rules of class and taste by wearing wool socks with their Birkenstock (or Birkenstock-rip-off) sandals. A serious fashion faux-pas.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"