s.t.p.

Standard Temperature and Pressure, a Chemistry term referring to gasses under normal or ideal conditions.

S.T.P for oxygen gas is 25 degrees c and 1 atm of pressure

by Steve December 4, 2003

s.t.p.

Stone Temple Pilots, a great band

by Anonymous September 29, 2003

S.t.p.

Shaved teen pussy

Dude I been that girl got an S.t.p.

by Hungonline999 May 13, 2018

s.t.p.

Shell Town Playa {s}

he a s.t.p.

by Melissa May 11, 2003

S.T.P. (Sexually Transmitted Psychosis)

A mental disorder, originating from Caron, passed on through any kind of sexual contact, ie. kissing, holding hands, intercourse, in which the sufferer causes fights at social gatherings.

"Wow, Frank was really aggressive last night, i think he might have STP!"

by Anonymous STP Sufferer December 21, 2003

S.T.P.

Suck the Penis.

GF: Babe can I have some money for pizza?
BF: You know what you gotta do right?
GF: S.T.P.?
BF: Yup. Suck the Penis.

by BigDickRex64 March 28, 2019