t4p 

Internet expression, stands for "thank for posting".

I love the pictures in that thread, t4p!

t4p by tristessie May 25, 2006

t4p 

Usually used in forums, on threads. It is "chat slang" for "THANKS FOR POSTING" or "THANKS 4 POSTING".

Wow! I didn't know that! T4P, this thread was very helpful!

t4p by #1 Provider December 9, 2008

t4p 

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.

"Man, last night was crazy! I reached t4p for the first time on an 1100mg dose!"

t4p by PHENOM87 January 10, 2009