4:00am

The time where you wonder why you're still up and keep thinking about things.

Person1:"...you up fam?"

Person2: "yea, wyd?"

Person1: "I'm thinkin real hard. It's just that time of the night."

Person2: " you having 4:00am thoughts?"

by It's yo mom May 25, 2016

4,000

The exact maximum number of characters you can enter into the Urban Dictionary search bar before they will begin to mysteriously turn white.

I was so bored yesterday, I 4,000'd Urban Dictionary.

by asdfasdfasdgfasdgh September 27, 2008

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by Adujasty343 July 11, 2025

400 thousand dollars

how much it costs to fire heavy's weapon for 12 seconds

it costs 400 thousand dollars to fire this weapon for twelve seconds -heavy weapons guy

by pootis spencer here July 12, 2018

GA 400

(N.) - The Atlanta autobahn. A place where wealthy Atlantans are able to open up their Porsches, Mercedes, and other whips. The minimum speed on GA 400 is 70 with the left lane averaging anywhere from 85-100. If you are a slow or shitty driver you fear this road. If you are a good driver or enjoy driving, 400 is the highlight of your day. If you are not from the Atlanta area and are driving on 400 you can be spotted from a mile away. You are usually driving an 03' Odyssey with a Yakima box on top and Wisconsin plates. You are also being frequently passed by other drivers while simultaneosly being given the finger. In your mind, you are in the right. In the minds of everyone else on 400, you are a fucking idiot who is clearly from out of state and does not understand the concept of driving.

Steve: Just picked up my new Gallardo from the dealership.

Kevin: Shit dude lets hit up GA 400 and see how fast that thing can go.

by RichPeopleRule November 18, 2011

Boeing 747-400

A large 4-engined widebody jetliner, with an autopilot that actually ends up in conversations with BOTH pilots.

As Jim and Andrew continued their conversation, the Boeing 747-400 autopilot chimed in, "Well, I can actually land myself at Detroit Metro Airport, if you don't mind." Jim anwered, "Go Ahead"

by Trell Brown May 21, 2006

Georgia 400

the only highway in the state of Georgia with a toll, between Buckhead and the northern part of the I-285 loop. 50 cents. This highway was built in part to ease traffic for the 1996 olympics in Atlanta. This highway is notorious for rush hour traffic, the local TV stations call their traffic reports "Surviving GA 400"

Hey, you wanna blow 50 cents by driving on Georgia 400?

by McDizzle March 29, 2004