The constraining feeling in your chest after you drank too much coffee or just consumed an energy drink. You feel antsy, paranoid, energized and sick all at the same time. Much like the feeling you get when you're having an anxiety attack but is not painful.
Getting little sleep the night before, Jill drank three cups of coffee on an empty stomach and later felt the symptoms of a reverse heart attack.
by D(2) June 12, 2008