1 definition by Jonathan D. Linscott

Adj. A situation or circumstance that is jack-ass stupid, inane, or frivolous in the extreme.
"Christopher was late because he set his wake-up alarm on his cell phone, but then shut his phone off before he went to bed to save his battery power; it's this type of ridonculous behavior that makes Christopher totally unreliable."

NOTE: This word is an amalgam of "ridiculous" and "donkey" (a.k.a. "jack-ass" in the pejorative sense), and implies that human idiocy or stupidity adds to or magnifies a situation or circumstance's quality of being "ridiculous" on its own.
by Jonathan D. Linscott March 22, 2007
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