hybrid description of some thing or event that derives its ridiculousness from the fact that its retarded...
Did you see those things on the bumper, they're called 'truck nuts', isn't that retardulous?
by Akbar Lightning September 15, 2010
Of being both retarded and rediculous at the same time. Or of being rediculously retarded.
having to pay taxes on tax is absolutely retardulous. Anyone who doesn't believe that their tongue will stick to a freezing pole and tries it just to be sure is completely retardulous.
by RyanInNanaimo September 13, 2010
WHEN SOMEONE IS BEING A REDICULOUS RETARD. OR WHEN A RETARDED PERSON IS BEING REDICULOUS.
"Man, Walter you're being so RETARDULOUS today"
by CADILLAC PETE February 03, 2010
A combination of retarded and ridiculous.
You're going to jump off a bridge? Don't be retardulous!
by caz's girl January 25, 2007