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1.
1. Of or relating to an extreme state of awesomeness.
2. Variation of stupendous.
3. Able to achieve or maintain an enviable feat or state of being which borders on idiotic while remaining awesome.
4. The alopecic state of extraordinarily long bipedal locomotion appendages.
"Steve that longboard jump was stupidenous!"
by slonneck November 23, 2012