premos 

its another way to say pornos. you'll most likely use it when your mom or dad is around you.

Matt: hey you got some pornos?
Alan: Hey shut up man! my parents are around!
Matt: hey, You got some premos?
Alan: yea, im gunna go jizz on the disks first before i give it to you.
Matt: SWEET DEAL!

premos by Jonah A December 17, 2005

Preposterous boast, but alas 

Replacement for “weird flex but ok” because it’s overused

Random person: “I didn’t lose my virginity because I don’t take L’s.”
Me: “Preposterous boast, but alas.”

Preposterous boast, but alas by Fresh Timbs October 29, 2018

on-premise 

A completely meaningless phrase often uttered by complete retards who mean "on-premises"

IT idiot 1: Is this configured for on-premise?
IT idiot 2: No you fuck, nothing is.

on-premise by itretard June 1, 2018

promosm

often used on yt to promote videos; often found in spam comments, or ppl who want to help increase your social following

i.e

guy1 *uploads video*

guy2 sick video.

also guy2: *comments promosm*

promosm by youtubeslangdudee May 11, 2022

Premasure 

When you are more than pretty sure but not quite Positive.

I'm premasure LED lights are more Energy efficient than halogen lights. (Very useful in conversations after two or three alcoholic beverages.)

Premasure by Ely man April 28, 2019

pregosaurus 

A female of small build, like a bird, but large belly due to infiltration of male seed. Often walks with a waddle late in her term. Easily agitated with the ability to acquire a wide spectrum of moods in a short period of time.

The only creature more dangerous than the T-REX was the pregosaurus.

pregosaurus by okcmatt April 17, 2011

premoonstrual 

The strange and uncomfortable energy that makes one have increased irritability, anxiety, and insomnia in the days leading up to the full moon.

"Ohhhh it's a full moon tonight....I've been premoonstrual. That explains why I haven't been sleeping, I've been crabby, and I woke up in the mental institution."

premoonstrual by moonchild and littlewing April 23, 2014