Open Book

Meaning you don’t know your sexual orientation so you just tell people you are an “open book.”

“If your wondering I’m an open book, just ask me anything!”

by Simplyimperfectxx August 9, 2023

Open the ketchup

Getting ready, warming up, getting the blood (ketchup) flowing.

"Time to open the ketchup!

by Federally April 16, 2017

flying three double half collapsible semi-automatic telepatic tandem war can opener in a can

why don't your understand?

flying three double half collapsible semi-automatic telepatic tandem war can opener in a can

by frrsjlelelele June 19, 2017

Open Fortress

A mod for Team Fortress 2 that adds a new deathmatch gamemode and a new class: The Mercenary.

My favourite TF2 mod is Open Fortress

by Wario1212331132 January 14, 2021

open that shit up

Open that shit up is usually said at concerts and means make a mosh pit or make the posh pit bigger.

Rapper says to his crowd, “We bout to get lit. Open that shit up!”

by Albertito200 February 18, 2025

left-handed can opener

When one gives a hand job with one's non-dominant hand.

I had the aisle seat across from a nun so I tried to be discreet while giving him a left-handed can opener.

by BillyCostigan January 24, 2021

Warning: Open Trench Below!

Example of a very loose woman

Loose, teacher of sluts, a shirt given to a person after you permanently opened an orfice; or found to be :~
Warning: Open Trench Below!

by aliikoa-2000 December 27, 2010