P.S.I.S. 

pretty sure i smell

i'll be with you in a bit, imma hit the shower- P.S.I.S

P.S.I.S. after that workout

P.S.I.S. by michael foolsley December 15, 2010

p.s/i.s 163 

it means low on budget and the teachers who work in the school are retarded

MRS.saban: EvErYoNe in p.s/i.s 163 kNoWs aBoUt YoU GuYs
Everyone in 802: shut up avatar.

p.s/i.s 163 by Some guy at 163 January 22, 2019

F.C.P.S.I.T.S.G.E.P.G.E.P.G.E.P. 

A song by the progressive rock band The Fall of Troy which is commonly thought to be the acronym for the phrase, "Fuck condoms. Premarital sex is the Shit. Get 'em pregnant, get 'em pregnant, get 'em pregnant," though the band has explained that the acronym has no particular meaning.

Dude, that song "F.C.P.S.I.T.S.G.E.P.G.E.P.G.E.P." by The Fall of Troy is the shit!!

F.C.P.S.I.T.S.G.E.P.G.E.P.G.E.P. by egyptian princess July 23, 2007

f.c.p.s.i.t.s.g.e.p.g.e.p. 

Fuck Condoms Pre-marriage Sex Is The Shit Get Em Pregnant Get Em Pregnant

Fall of troy song about well yea its a good song f.c.p.s.i.t.s.g.e.p.g.e.p.

f.c.p.s.i.t.s.g.e.p.g.e.p. by boboyoyo April 28, 2008

F.P.S.I.H 

The Acronym used for the condition known as a First-Person-Shooter Induced Headache,which is a headache that is induced from playing too much first person shooters in one sitting.

Kyle: Hey Ken, you wanna play some Modern Warfare 2?

Ken: No thanks man, I got an F.P.S.I.H from playing it this morning.

F.P.S.I.H by ITSAP3RS0N June 17, 2010

P.E.P.S.I

A insult that i made up with my friends , it’s in spanish , that means :
Puta , Experta , Para , Sexo , Inmediato
In english it’ll be like :
Slut , Expert , For , Instant , Sex .

Kathy fucks with the first guy that walks in front of her , she’s a P.E.P.S.I .
Iggy’s boyfriend blowed her of because she slept with Bryce , she’s such a P.E.P.S.I .

P.E.P.S.I by German A. Basaure January 10, 2018

P.S.I. (Private Stripper Information) 

Information about exotic dancers not privy to anyone other than other exotic dancers.

Including but not limited to Names. ages, gender, number of children, education, etc.

You should probably consult with a "P.S.I. (Private Stripper Information)" expert before you have sex with Skye.

P.S.I. (Private Stripper Information) by Dept. Daniels, (P.S.I.) Agent. January 10, 2010