look up any word, like pussy:
 
1.
To post incessant, inane threads on an internet forum to alleviate boredom or sexual frustration.
Must be slow at work -- Scott's done nothing but posturbate all day on HC.
by Nemo Nemo July 06, 2007
9 1
 
2.
On Facebook, persistently attempt to steer threads in a sexual direction; continually make lewd and suggestive comments, regardless of their relevance to the original post or current tone of the thread.
Nancy: Grandma Geriatrician's birthday on Saturday. What do you get for a 90 year old???
Moira: What else could you want or need at that age?
Rhonda: Just wrap up something she already has. She's 90!!!! She won't remember if she had one or not.
Moira: Then re-wrap it and let your brother give it to her, too ... lol!
Keith: I'd like to give you a "pearl necklace" for your birthday.
Nancy: Dude, that doesn't even make sense! Go posturbate somewhere else.
by Grass-abber December 10, 2010
0 1