1) A side effect of being in a science major, such as chemistry.
2) An instance of the act of grade-rape; typically random and generally performed by a grad student.
3) The impulse that causes a science major to try something easy, like business.
4) A common cause of insomnia, overcaffeination, and binge drinking.
Dude, I stayed up all night last night doing my lab report and now I can't see straight. It's like I'm drunk, but without any of the fun.