hey, so

the beginning of a question or statement.

If somebody says, "hey, so"
in the middle of a conversation,

You sir, are fucked. Hold onto something.

Commonly used irreverent phrase when spoofing popular comedian Jerry Seinfeld from the show Seinfeld. Other common phrases include "whats the dealllll?" and "who arrrrrrre these people?" While first made popular by fellow comedians such as Gilbert Gottfried, it is now popular for ordinary fans/detractors of Seinfeld to use this phrases as an imitation or parody.