In Stereo Edit Meaning

1.

To have two people of the same name in the same room at the same time. Or two of anything for that matter.

Two guys named justin walk into a room,

Holy Shit Justin in stereo.

See doubles, two of a kind, farts, justin, horses

2.

The act of presenting both points of view in regards to a problem or controversial issue.

Aside from the first few seasons, South Park episodes can be called In Stereo.

"I love old South Park episodes, but I also love how the new South Park episodes are In Stereo."

See south, argument, problem, issue