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1.
When something is considered to be legit and delicious. Often used at times when you want to describe a certain thing that you consider legit (good) and tasty.
Oh man that chocolate croissant from that bakery the other day was so legitalicious, I wanted at least a dozen more.
by Spongebob Sickpants November 01, 2010
 
2.
Being cool and looking good at the same time
Dammn i look hella legitalicious!
by jenkar209 February 08, 2011