MoCo
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Montgomery County, Maryland.
Register: slang
Where it’s used:
Used
American English
Examples
I'm hoping to answer you and our Silver Spring questioner, who was looking for something this weekend in MoCo.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “MoCo” mean?
Montgomery County, Maryland.
Is “MoCo” formal or informal?
MoCo is generally slang.