Of or pertaining to persons with large penis, who is doing something ridiculous or absurd. Usually in a positive light.
Oh my god! Did you see the engagement ring that my boyfriend got me!? It was SO bigdickulous!
by Stellabella May 17, 2008
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pronounced Big-Dick-ulous

used to describe something ridiculous in a negative way.
They fired me on my birthday. How butt fuck bigdickulous.

by MooLord March 20, 2008
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