Person B: Washington, D.C.
A: But you have a Louis Vuitton bag and drive a BMW.
B: I'm from Georgetown.
A: Liar! You're from Potomac aren't you?
2) Home to many of the 2002 sniper shootings.
MoCo is only used for Montgomery County Maryland. If you use it to define some other Montgomery County, I will personally jump you.
Guy from PG County: What is college?