PST's

Acronym for PURSE STRAP TITTIES. When a Girl wears a Purse and the Purse Strap goes across her chest resulting in accentuated Titties.

Damn, That Chick with the Gucci Purse has got her "PST's" in full effect.

by DJ Carlo July 8, 2005

PSTS

Stands for 'Petite Sized Testicle Syndrome'

You coming out tonight Rich?

no mate.

oh my, you have a severe case of PSTS

by Sandwich & Pingu February 24, 2011

PST

Prime Snap Time. The time between 6pm - 8pm where the photos you post will get the most likes (instagram, Facebook etc.).

Girl: 'Mandy quick! It's just hit 6.01pm girl, that means it's PST. Post that instagram quick!'

Girl 2: 'Thanks so much Sophie, I would've forgotten!!'

by instagramgirl102343 November 7, 2015

PST

Pakistani standard time
Arriving half an hour to an hour after an arranged time.

Guy 1: 'is he coming for a scran?'
Guy 2: ' yeh but he runs on pst'

by zobear May 14, 2011

PST

Paul Standard Time - This is the time dilation caused by excess inhalation on Marijuana fumes, typically extending a 20 minute duration to between 1 to 24 hours.

"Time is relative, especially when your stoned out your gourd" - Albert Einstein

16:20 Paul; leg is 20 mins? brb
16:21 You; Sure.
20:41 Paul; I'm back, Joining?

20:42 You; 20 mins PST™

by Cicolas Nage October 3, 2020

PST

An acronym for texting and web chat meaning "please show tits".

Text conversation

(Boy) What you wearing?
(Girl) Black bra and matching panties.
(Boy) PST

by Thatblackguyoverthere April 22, 2011

PST

Professional Shit Talker

"Jordan, you're such a PST!"

by peteagsauce January 16, 2019