Top definition
Pseudo-drug which is consumed to make a person stupid or which causes a person to do or accomplish stupid things.
That person did such a stupid thing that he must have taken a dose of imbecilium.
by Edward Zumstein July 31, 2006
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2
Wide spread trend of people acting in a moronic , idiotic or imbecilic manner.
There are so many morons around now doing idiotic things, I feel like we are in a state of imbecilia
by Uncle Wiz September 27, 2015
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