1 definition by Keho

Top Definition
(n.) a debilitating disease characterized by the victim's inability or distaste to any form of motion; more severe than laziness, but less severe than paralysis

From the Latin root sedere (to sit).
"You really need to get your act together, you lazy little fuck."
"I'm not lazy!!! I have sedentosis, you ignoramus!"
by Keho March 02, 2009
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