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1.
This is a word to express satifaction, often used by rather posh and upper class people trying to act like gangsters.
George: So, charles how was that tea-party?
Charles: Yo George it was absolutely gangstaliscious...
by Raffik October 11, 2007
 
2.
highly respected clothes , hair , shoes,
style etc...
"Man, jake's outfit is soooo gangstaliscious"!!!!!!
by jake March 06, 2005