Someone who takes to some normie ass social site like facebook and shares shit like africa by toto ALL THE TIME. People who generally have weak meme games.
person 1: Sam Palmer is such a shitposter
person 2: Someone should tell him the shitposting needs to stop Sam P: Im not a shit poster (lies)
A young man who has suffered the terrible experince of being forced to continue singing Tenor despite the fact that his voice has dropped well beneath that range. This young man is both heckled and jeckled by members of both the Tenor Party (for being a traitor) and the Bass Section (for having been a Tenor).
"Hey, look at that kid. He's like the Puberty Poster Boy. It would be so much easier n him if his instructor would just let him sing Bass!"
Someone who comments twice in a row in a thread, in a social networking or forum environment.
Jill (commenting on Jim's status): OMG, you really did that this weekend?
Jill (commenting again before anyone else has commented): Pardon me for being a double-poster, but I so need to go there!
Janet (commenting on a forum thread): Guys are such dicks.
Janet (commenting again when no one else has posted in between): Did I mention we just broke up? Sorry to be a double-poster
: (
Jane (on Jill's status update): I can't stand Jack, he's so self-obsessed...and such a double-poster!
a subtle hint to something, mainly referring to someone "coming out". having a madonna poster can be seen as a boy hinting to his parents that he's gay.
Someone who takes every comment a person makes literally, no matter how obvious a troll/joker he is.
Guy 1: Dude, why won't you share your cake with me?
Guy 2: Because you're Jewish. *obviously joking with his snickering*
Guy 1: OMG! RACIST! YOU ARE WHAT'S WRONG WITH THE WORLD YOU NAZI!
Guy 2: ...dude, don't be a Yahoo! Answers poster.
A special type of autistic /pol/ lard whom posts about soyboys all day long on 4chan. They are literally their own definition of soyboy yet continue to post about them.
Guy A: Is that guy a soyboy?
Guy B: Nah he's a soyboy-poster
Guy A: Ah, no wonder he's screeching autistically at his phone 24/7.