What is Taruin?
1.
the reoccuring habit of an individual to ruin/mess up/break/screw up things that are mostly non related to each other (autonmous events).
Guy 1 to cute girl: "Hey! You shouldn't wear shirts like that. You look pregnant with you belly hanging out."
Cute girl gives him a glaring look and walks away
Guy 2: "Dude, you totally taruined that?!?"
See