earglesmackingjinglejiver
The sound of your brain exploding in a loud, profane way when you're trying not to swear in a quiet place.
My earglesmackingjinglejiver during the funeral was so loud, the pastor looked up from the Bible.
I tried to stay quiet during the church service, but my earglesmackingjinglejiver sounded like my dog got hit by a truck.
During my teacher's lecture, I let out an earglesmackingjinglejiver that made the class laugh.
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