K-Pop
Aegyo
Act of cuteness
DMV
DC, Maryland, Virginia
gg
Good game
Take a chill pill
Calm down
Maknae
Youngest member in K-pop group
Birdtown
Baltimore (in reference to the two major sports teams - the Orioles & the Ravens)
AFK
Away from keyboard
Jack you up
To beat someone up
The Big Three
The three largest (and oldest) K-pop record companies in South Korea
HoCo/MoCo/etc.
Nicknames for the various counties in Maryland (Howard County, Montgomery County, etc.)
Nerf
To downgrade something (usually a weapon)
Scrub
A man who is broke and jobless with no ambition