An inmate in prison. Room and board is paid for by the state, hence "guest" of the State.

Someone who is incarcerated.
Lester was in for some ugly times; he was a guest of the State and he didn't like busycheekistry.
by Luigi August 15, 2004
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A bong placed at a relative or friend's house, so you can get high and be able to deal with their boring conversations and/or annoying children.
by GuyWhoDefinesThings December 18, 2011
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A Roblox Guest could be an online player that is new to the game and wants to try out the game first before making an account..

Or, a person who already has an account, but wants to piss people off in a certain game without getting their original accounts banned.

That might by why regular Roblox players chew out Roblox Guests, and be mean to them. But pretty much both types piss the people of Roblox off.

They cannot talk with whatever words they want in public games. They can only talk with a pop up menu chat.
Their appearance also changes when the user, Roblox, changes their appearance. Which.. rarely happens.
Player 1: WTF THE ROBLOX GUEST SPAWNKILLED ME!
Guest: OMGLOLEPICWIN!UBERHAX0RZAGE!!!@#!%one!!11
by JellyDinosaur July 27, 2010
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1.something that you say in order to give someone permission to do something.
2.I do not mind.
1.-Can I use your toilet, please?
-Be my guest.
2.-“May I cut in?”
- “Be my guest,”
by Jesse Zhang August 23, 2007
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1. To freeload or bum off of friends, with the assumption that you never have to carry any form of payment again, ever.
Guy 1: Dude, can you pick up the beers? I'm a little short.

Guy 2: What the fuck? I paid last time!!

Guy 1: I forgot my wallet, but I do, fortunately, have my America's Guest Card.

OR

Guy 1: What's with Jack? He never pays.

Guy 2: He's America's Guest.
by J. Carl December 14, 2006
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Propane tanks placed in the central hallway with C-4 used to ignite it, creates a fuel air explosive – Used for bringing down a house when contact is made inside. Named by 2nd squad, 1st platoon, I Company.
The marines decided to pull out and leave a house guest after heavy resistance was met on the second floor.
by Aaron Linville March 14, 2005
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