first 48 

used when describing, grimey or sketchy events or areas. refrencing the reality show "FIrst 48" where detectives take you through the first 48 hours of a homicide investigation. Most homicides on the show are in ghettos or projects in large inner cities.

yo! did you see that alley way? thats some first 48 shit right there!

first 48 by e.m.s March 27, 2008

Bus 48 

Bus 48 is a ancient relic that has been around for centuries. This bus is like no other since it has millions of unique features. Ex. aids (window gum), rusty cord, bolted windows, scary bus driver, the black spot, the one clear window, the squeaker on top of the emergency exit, and plenty more. This bus is truly the best bus in history.

Martha Stewart: Yo diggity dawg, whats that bus doin' in my hood?

Obama: Oh shit nigga get down! thats bus 48!!

Bus 48 by BUS 48 February 4, 2019

20:48 

Its a fucking military time

The time on the clock is 20:48 actually 8:48

20:48 by Dogdogworld May 11, 2015

92:48

Sergio Ramos headed goal against Atletico Madrid in the champions league back in 2014

oh, you remember 92:48

92:48 by sergioramos4 June 17, 2021

lower 48 

the "other" states for Alaskans, Not including hawaii. also called "the outside" and "hell."

"I'm fixin' to go to the lower 48, cause there are no jobs in the winter."

lower 48 by asmbk July 15, 2007

Rule 48 

No matter what it is, it WILL be on the internet at least two weeks before it is released to the public

Person 1: Dude, I can't wait for Rock Band Unplugged to come out!

Person 2: Dude, Rule 48, just get it from The Pirate Bay.

Rule 48 by estemshorn June 1, 2009

first 48 hours 

Most murders are solved in 48 hours, if they are not solved in that time frame they usually don't get solved.

Cop 1: first 48 hours has passed lets go do some hate crimes
Cop 2: Catch the game?

first 48 hours by scrag_10 April 12, 2008