This is a term used between two or more people (though usually among gay men) to point out a nearby person who is physically appealing to the eye so as not to attract attention to the subject they are looking at.
John: I really like the new schedule they gave me at work.
Jason: Yeah, I am pretty impressed with mine as well. "Meanwhile" (as Jason uses his head and eyes to motion John's attention in another direction).
John: Oh wow! Yeah, definitely. You think he's related? (note that "related" is another gay term used. Check Urban for its definition.
alert; hot male
A term used mostly by gay men to point out a passer by, usually hella
*A guy passes by a group of friends*
Guy1: Meanwhile ...
Guy2: Very much so
A term some gay men use to point out to their friends in a public place.
From the movie, The Broken Hearts Club.
Scource: The Broken Hearts Club, movie.
"Meanwhile, nine O'clock."
A word that can be used as an odd interjection and/or a way to change subjects.