someone who gets his or her(his in most cases) attentention and identity from talking about or smoking marijuana in front of other people and hoping that anyone notices it and pay attention to it.
stoser is a mixup between 'stoner' and 'poser'.
screaming out loud through the classroom; 'yoo, bob(fictional character), i think i quit smoking for 3 weeks, you with me'! 'yeah chris(fictional character), i think so'.
one day later:
'yoo chris, did you know how stoned i was yesterday'.
'yeah me to'.
bob and chris are stosers