STP

STP is, as we learn in science class, is short for standard Temperature and Pressure. But what it actually means in the hip world of today is Scary, Terrible Puffin.

"Oh man, did you see that STP?!"
"Yeah dude it's radioactive but embroiders!"
"Whoa."

by Fat Chick Who Likes to Dance July 4, 2009

STP

Same Time Post on a message board

Message by Weasel - 13:21:05

OMG DIE

---
Message by Jeff - 13:21:05

LOL XD

by WeaselJeff February 22, 2004

STP

San Diego Landscaper, marathon runner, and all around good guy. Once was lost, saved by an angel named HED.

Damn Gina! Did you see STP order off that Japanese menu? That a lot of food!

by Beast24 December 2, 2009

STP

An Internet slang acronym with two meanings.

A. Same Time Post, when two people post a message at the same time to the second. Popular on message boards such as GameFAQs.

B. Second To Post, when someone posts posts second in a message board topic.

A. "Both of us posted at 9:13:06. STP!"
B. "New board? STP!"

by rklamer August 27, 2007

STP

Scientifically Tested Petroleum®

Petroleum company which makes products such as oil treatment and fuel treatment for automobiles.

Official sponsor of Richard Petty and the number 43 Plymouth NASCAR machine.

by Bitchin Kitchen August 15, 2003

STP

STINKY TOILET PAPER

DARIN THINKS STP STANDS FOR STINKY TOILET PAPER

by 0U812 December 16, 2008

STP

An old adage from the 1960s to the 1980s, during the Indianapolis 500 glory days of the partyin' Snake Pit in Turns 1 and 4, meaning to "Start The Party." Of course, this was before the evil Tony George took over the Indianapolis Motor Speedway and made it family-friendly.

Hey Joseph, when will they STP during the month of May at the Speedway?

by L. Smitherman June 13, 2007