Someone abusing full stops in text. Generally means the author is either a 13-year-old girl, pissed off, arrogant, or has a big fatego.
Stewie: Hi dawg
Luke: Hi.
Stewie: Wassup bro, yofine?
Luke: Yes. Fine.
Stewie: u better be comin to my party this friday!
Luke: No. Don't think so.
Stewie: Shit bro, stop being like a 13 year ol fullstopper. Did u just wake up with a broom planted up yo ass?
(adj). A person who is soo cool, words just cannot describe him/her. You'll never forget this person and their pure awesomeness. The complete opposite of a faggotini.
The brilliant kid was loved by all and was considered flaster-like by most. He even gave Mr. Flaster himself a run for his money.