A fourth wall character is a character that serves a specific purpose. By its very nature it is aware that it is a character, to some degree, and thus is not confined by the rules that usually confine them. They tend to use things like out of character knowledge and some degree of immortality as a part of their duties.
"I had a Random Encounter today. Strange character; he can't do anything but create monsters and NPCs, but he can't be effected or effect us."

"The Professor? He just goes around and grades RP, corrects spelling and grammar, and in general tries to help. Sometimes violently. Just take it with a grain of salt. If you try to kill him, he won't die anyway. He's a fourth wall character."
by Random-Mun March 26, 2014
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You have to spin jump then backflip in a corner at 4:20 and you will clip into the shadow realm then type in the chat debug/remove wall:4 then debug/leave and then boom its gone
guy 1 dude i just broke the fourth wall
Guy 2 do i fucking care
Guy 1 i got it from a book called “how to break the fourth wall”
Guy 2 i can tell im from a video game dumbass
by Johnathan Jostar April 22, 2021
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the greatest band to ever exist , featuring the greatest artist to ever exist who went on to be a math teacher
hey , did you hear the new fourth wall city song?
yeah it was great
by hamgurber-gaming September 9, 2022
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A condition where a fictional character is able to beat the fourth wall, but their meta-awareness becomes debilitating. They will often lose their grasp of the fictional world they live in as they become obsessed with the fourth wall. Other side effects can include but are not limited to, lashing out at the audience, losing awareness of their own fictional world, stress, emotional distress, Borderline Personality Disorder, Depression, etc.
This character, suffering from Fourth-Wall Syndrome, despised his creator, blaming her for every bad thing that ever happened to him.
by GGM_TRM March 17, 2023
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When a cartoon character realizes they are about to fall a great distance. But before they begin to fall, they look directly at the screen and wave goodbye to the viewer(s).
Wile E. Coyote is the undisputed master of the Fourth Wall Fall Wave.
by Someone who kinda exists January 2, 2022
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