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The sole purpose of which is to let a person, most often a child, know when they are REALLY in trouble. When you are called this, you better be prepared for all hell to break loose.
John William Smith, you get your butt down here this instant!

Lily Ann Williams, what do you think you are doing young lady?

Person A: I gotta go, my Mum just used my full name
Person B: Ouch, hope you aren't grounded for long.
by Mystic_Snowfang June 17, 2008
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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2
When your parents say your full name you know your screwed
Jonathan Matthew Erik come Down here right now this is when Jon realized he is screwed and said you know your screwed if your parents say your full name
by Jake Paul is taken June 03, 2018
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3
Someone’s first and last (and sometimes middle) names. Hence “full” name.
I shouldn’t give an example for what a full name is because that might be someone’s name and I don’t want this breaking Urban Dictionary rule
by nlolhere July 03, 2020
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