1) When three or more friends have a college lecture scheduled, and only one of them attends the class, that individual obtains the title "trooper."
2) An individual who, despite chronic marijuana usage, manages to maintain a high (no pun intended) level of achievement.
1) Guy 1: I'm skipping Pottery 105 today.
Guy 2: Yeah, I've got way too much to do, I'm out too.
Guy 3: I'm not skipping, it's fucking pottery.
(After Guy 3 leaves) Guy 1: He's a trooper.
2) Guy 1: So what'd you do after those blunts on Thursday?
Guy 2: Eh, I went to class, cleaned the house, did some homework, and got my taxes done.
Guy 1: Damn, you're a trooper.