No, “Bánh mì” is not something you say to taunt a FlyerTalk moderator into suspending your posting privileges. Rather, it is an inexpensive Vietnamese sandwich with its ingredients — the main one being meat of some type — on a crusty roll, similar to a baguette.
FlyerTalk member Sweet Willie — who has sampled Bánh mìs in various Chicago area establishments — claims that are Some of the most incredible sandwiches anywhere(in the US even), for only $2.50!
Sampling a Bánh mì should apparently be on your to-do list…