with an indeterminate duration. A metro minute
could be 30 seconds or 30 minutes, and you don't know how long it lasted until it's actually over. Derived
from the Washington
Metro Area Transportation Authority (WMATA) metro train arrival times, which can never be taken at face
Jim: Man, it looks like I got to the station
right on time. It says the next metro train
will be here in 2 minutes.
Tim: You know those are metro
minutes, right? Either
has already pulled into the station
and we missed it, or we're gonna be here for a while.
Sarah: Where the hell is Jessica? She said she was changing outfits and will be out in a minute.
Kara: She meant she'll be out in a metro
minute. Just sit tight, it could
be a while.