A fork of Rural Dictionary
Being quiet for a period time.
Mehgan: y'all was talkin so much sh*t earlier, now everybody's on fu*kin hush mouth. Falen: ... Julie: ... Rima: ... Ashley: ...
when someone get's quiet for a period of time because they don't quite know how to or want to respond to a comment or set of comments in a text or IM conversation. Hush Mouth Syndrome is this followed by a sudden change in topic
Guy: let's go to the movies this weekend Girl: OK Guy: what do you want to see Girl: how about the new Twilight movie 10 Minutes of Hush Mouth Syndrome later Guy: so how about those sorry azz cowboys