When you get overwhelmed by a crazy amount of chaotic energy and can't contain yourself. It usually happens late at night or after consuming copious amounts of sugar/caffeine! It is more likely to occur in people whose name starts with Fran.
Person 1: Do you see that girl running in wonky circles and singing? What is she doing?!
Person 2: She must be having a franic-attack!
A murdermade to look like death by natural causes, normally committed by the Kremlin.
"Oh yeah, Vlad was a public speaker against the dictatorship. A week after one of his biggest speeches, he died from Russian Heart Attack (if you know what I mean)."