Top Definition
The secret ingredient put into food at restaurants that makes you tired and unable to be productive after you eat. Primarily found in foods from Mexican burrito shops and taco stands.
"I'm not going to be able to get anything done this afternoon. I went to Roberto's Taco Shop for lunch and they put too much lazidium in my burrito. I'm going to go take a nap under my desk.
by Ernman February 24, 2011

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