The result of consuming too much Rockstar energy drink. The difference is you cannot sleep it off because the caffeine keeps you awake. Symptoms may include: headache, muscle twitching, insomnia, slurred speech, slow thought process, frequent urination, extreme irritability, stomach pains, the munchies, heart palpitations, hyperventilation, or even vomiting. In some cases you may also feel like you are going to die.
Girl 1: Can you drive me to Taco Bell? I have a major Rockstar Hangover.
Girl 2: Dang, girl!