Under-carriage munching

A term coined by a cool Aussie chick used to describe when koalas go downtown on each other.

‘Hey Davey, koalas are cute but most of them have Chlamydia. Probably from all their under-carriage munching.’
‘It sounds fucking sickening.’
‘It is fucking sickening Davey, it is.’

by milliesofmelbourne June 20, 2020

Under 21 Tax

The difference between the amount of money given to an over 21 year old person by an under 21 year old person to buy alcohol and the actual cost of the alcohol, kept by the over 21 year old person as a payment for the service.

Under-age person: Hey, this bottle cost $17 and I gave you $20 - where's my change?
Over-age person: Sorry... Under 21 Tax.

by jonukas May 18, 2007

uncertainty principle

1. States the position and momentum of a particle cannot be simultaneously measured with arbitrarily high precision. This is a crucial concept that is a part of quantum mechanics

2. The modern-day version states to never judge a girl's looks from a distance greater than or equal to 50 feet.

The uncertainty principle seems very straightforward.

Man, I was drunk last night at the party and the uncertainty principle totally slipped my mind. I swore he looked like a girl.

by PVD October 5, 2004

uncrouch

When a mentally slow person is playing Player Unknown's Battlegrounds and doesn't know how to stand up in-game

Axel: Hey guys how do you uncrouch?!
Axel: Kif tuncrouchja?!

by Xaxxmaster May 5, 2018

Too much water under the bridge

A term used to describe when too much bad stuff has happened to ever make the situation right again.

We will never get back together after you cheated on me and stole from me. There's too much water under the bridge.

by TommyNoleBuc November 16, 2018

Ulcerative Colitis

A bloody shit disease....quite literally. People who suffer from this non-infectious disease usually end up spending lots of time wrapped around the loo with bloody diarrhoea during flare ups. Caused by person's immune system attacking large intestines lining causing inflammation and ulcers, loss of appetite and generally feeling like utter crap. Medication can usually help to control it though some have awful side effects such as moon face

Stuart: "hey why did that hot chick run off to the loo so quickly?"
Bob: "Ahhh she's got the ulcerative colitis shits, she's going to be a while..."

by whatsername1990 July 17, 2011

Under the Knife

This phrase is often used to describe a surgery or sugerical process. Knife standing for “surgery” was first recorded in 1880.
Example:

Sam: "When do you go under the knife?

Tim: "I have surgery next Wednesday. I have to take an

Ativan before I get there."

by SigmaNutz December 27, 2011