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

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

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

throw under the bus

to sacrifice some other person, usually one who is undeserving or at least vulnerable, to make personal gain.

He'd throw his mother under the bus if it'd mean he could beat the rap.

by Jeffrey December 17, 2004

Under-dramatic

The opposite to Over-dramatic.

Someone who is under-dramatic is not easily surprised/impressed. They don't exaggerate or get excited.

"Kyle is so under-dramatic, i told her i was pregnant and she was just like 'cool talk to you later', "

"Yeah she is totally under-dramatic Sherly - congratulations btw - when were you going to tell me?!"

by BrainMaster June 3, 2014