under 

To feel like you are going to/or have become dangerously intoxicated

being too high or drunk and subsequently taking a turn, for the worst.

"Dude, I am going horribly under"

"Lukes gone under"

"I just went so under"

under by SweetWinn November 4, 2011

under 

1. broke. not having any money.
2. undercover. not wanting to be seen or not wanting to cause attention to oneself.Being ducked off somewhere.

1. We need to buy some more Remy, you got five on it or are you under?
2. Too many people are getting killed, I'm gonng be on the under.

under by reek daddy May 16, 2006

under 

Amusing non-sequitur single word joke and/or punchline, all in one. Originated by Sacha Baron Cohen and seen first in Borat. Respect. Endlessly abused, yet appreciated ever since. Often used to initiate or terminate a conversation, or as rejoinder.

Lawyer: I have to go.
Musician: Under.
Lawyer: Under.

Lawyer: Where is the pastille?
Musician: Under the newspaper.
Lawyer: Under.

under by Avocado58 September 18, 2009

under 

An undercover po, or cop.

Nigga, don't say that to loud, think I spotted an under over there by that Ford Pickup. Yep, he got a walkie talkie mah nigga, lets go around the block.

under by OgreSavage February 21, 2003

under 

Preposition.

The ball is under the table.

under by Tsaunka September 20, 2020

under 

Comes from the phrase, "living under a rock". Not informed basically.

You didn't know that PewDiePie hit 100 million subs already? You're so under!

under by TmBz December 15, 2020

under 

1. unconscious due to anesthesia

2. intoxicated

He was under in minutes, and yet, somehow he woke up before the procedure was complete.

under by The Return of Light Joker May 7, 2011