Arrogant and or ignorant
"you supersillious bitch, you have no idea of the subject you preach"
by Leah_mg July 06, 2005
2 more definitions
Supersillious.... Word unknown: Learn to spell you stupid ass. The word is "supercilious"
"Don't be a supercilious (supersillious)ass all of your life...take the afternoon off"!
by Armed Falcon January 07, 2008
Something that is extremely funny or amusing
I heard that supersillious joke, too!
by Anonymous May 27, 2003