A derp of massive proportion.

Derp is a common phrase used after committing an act of stupidity. It is also an adjective to describe those actions and the people who commit them. The gigaderp is as intense as over 9000 normal derps.
Newscaster: In a stunning gigaderp, Rep. Weiner showed the whole Internet his weiner."

Man: What a gigaderp.
by Technautilus January 2, 2012
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