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1. An overly logical statement thats added to a conversation which completely baffles the listeners.
2. A random sentence or statement that, when said, confuses and infuriates any person unfortunate enough to hear it, producing the gunshot effect (see 'gunshot effect')
Mike said an oddoism so bad, he made Roger commit suicide last week.
by burnt face February 14, 2007
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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