look up any word, like the eiffel tower:
 
1.
A word invented by Skylar Astin meaning amazing or prize worthy
Regina's bunt cake was so marvelicious that it won the contest.
by harlie lipstein February 10, 2013
 
2.
Not just Marvellous. Far more greater and really, really, really, marvellous.
Its marvellous! - ... No, honey! It's marvelicious!
by bastii May 27, 2006
 
3.
A word used to describe someone's physical appearance as greater than the normal.
Extra appealing to the eyes.
That girl is looking extra marvelicious tonight.
by 4ndr3w September 03, 2007