Laughable or hilarious because of obvious absurdity or incongruity; causing or worthy of ridicule or derision.
"A collaboration of the two words ridiculous and ludicrous."
ORIGIN: Was slipped up and said one drunken night with my friends. Alcohol and the English language...
"Hold the phone, there's no way Ol' Dude just ate all of those 'nades!! Thats ridiculudicrous!! He had to die!!
He passed up a full ride to college A, because he wanted to go to college B with his girlfriend. How rediculudicrous.