when one speaks improperly about their teacher or the other way around

Place. Everyone cool lives here.

A term only posers who aren't really Ultimate players use to describe a frisbee or Ultimate frisbee. As really ultimate players know, only a disc is used, not a frisbee.
If someone uses the term "fross," flip him off and walk away, he is not worth your time. These type of posers generally throw some slanty pass that doesn't go anywhere near you and usually ends up closer to them.

Fun but gross

Having bosses that are also old friends