by tristessie May 19, 2006
Usually used in forums, on threads. It is "chat slang" for "THANKS FOR POSTING" or "THANKS 4 POSTING".
by #1 Provider November 25, 2008
Primarily internet slang, and used as an acronym for "The fourth plateau," the highest level of intoxication, hallucination, and dissociation from the body when using the drug dextromethorphan, or DXM.
by PHENOM87 November 1, 2008