:30 

Denotes the time - similar to "o'clock" or :00. Used after a word to denote that it is past time for a certain act to occur and that it should occur now. Stronger than :00.

Dude, it's beer:30 - let's get going!

:30 by Eric.... October 2, 2008

30

Chicago slang, A 30 is a Glock with an extended clip that holds 30 rounds in it.

I keep the 30 with me where ever I go you know I do it

30 by SouthSide Murderapolis !! March 13, 2014

30

A term used to refer to a 30mg perscription pain pill, specifically an oxycodone hydrochloride 30mg tablet. Other examples are Roxies, and Blues.

Mike: Yo, you think you can front me a 30, Dawg?

Vince: Hell no, you still owe me from last night! Come back with $20 and you can get one though.

Mike: C'mon, man. I'm dope sick.

30 by Vince187 July 13, 2009

30

A 30 pack 12 oz cans of beer.

Can you get a 30? I want to get wasted tonight. Don't even bother with the longnecks.

30 by James M. Leddy January 6, 2006

-30-

The end of the story.

'-30-' is put at the end of a news story before publication. The '-30-' is dropped from the final article as published. '-30-' can also be found at the end of a news release.

Supposedly, the use of '-30-' stems from the last writings of a war correspondent, who was killed while writing a story during WWII. '-30-' was the last thing written on the page.

get your hands on a draft of a story and take a look...

-30- by -30- June 22, 2006

30

The age that your mind just "gets it".

When I turned 30, something just clicked in my mind.

30 by mommao4 July 20, 2010

30

Porn

30 in Roman numerals = XXX = porn

I'm getting off to 30 right now. Leave me alone

30 by Phil-o-sopher June 12, 2015