"Take Your Sweet Time"
It simply means to take your time. For example when you tell someone you will be right back, and the reply take your sweet time.
anonymous1: Hey, ill brb.
anonymous2: tyst
It is a baddie comeback used in Swedish. "Tyst" translates to "quiet". The sentence is used whenever you have proved a point against else or when someone else near you proves a point.
"You were really bad on that test!"
"Aha what did you get on the test then?"
"I got F."
"Exactly, so tyst."