5-O

5-O, commonly written as 5’O, 5’0, 5-O, 5-0 is a slang term used by a lookout committing a crime with a group to signal that officers of law enforcement are arriving. It is commonly used by skaters who skate in groups to tell everyone to scatter.

5-O pronounced as five-Oh is the combination of the number 5 and the number zero which throughout time has been pronounced as “oh” (O). It originated from the 1968 police tv show “Hawaii 5-0” where the 5 and 0 represent the fact that Hawaii was the 50th state.

“Shit there’s cops coming”
“5-O 5-O!”
“Run!”

by Danny Despacito June 2, 2020

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insta-o

When a woman orgasms because something was so great but no build up or sexual action was needed. Causes for an insta-o could be a hot guy, delicious food, or something just completely awesome.

Girl 1: Did you see that guitar player?
Girl 2: Yea, we made eye contact and had an insta-o.

by shag master August 29, 2010

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o lordles

something you say instead of oh my god
it works exactly the same though

O lordles, I had sex with your mom and now I have gonorrhea

by matthew!!! July 9, 2010

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Boredom-O's

The excessive amount of "O's" that are in a text message or similar text status update. Generally caused by a sense of boredom and the willingness to convey that to others.

Kim: Hey, what's up?
Carol: Driving back from Las Vegas. The desert is soooo flat. I can't wait to get home. But the truck in front of us is sloooooow.
Kim: Just a few Boredom-O's there. Sounds really exciting....

by clickclack43 November 9, 2010

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O-Mail

Unsolicited and unwelcome e-mail received from and authored by or on behalf of a governmental body, entity or branch that is directly intended to promote a political goal, policy or agenda of such body, entity or branch.

"Did you receive any O-Mail from the White House yet?"

"Not so far; my e-mail address probably isn't on their list yet."

by B from B August 14, 2009

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