Nickname for Marg Helgenberger of CSI. Given to her by Gary Dourdan at the time of Fergie's "Fergalicious" came out. Marg's fans have come to use the nickname to describe anything pertaining to Marg (or otherwise) as lovely, sexy, sweet, gorgeous, smart, funny, witty, sassy, adorable, eye candy, perfect, etc.
by CathWillows10 February 20, 2009
Margalicious is when somebody is 'marga' (as in the Caribbean word for slim/skinny) yet 'delicious' at the same time, the amalgamation of words becoming 'MARGALICIOUS'.
by Cory 'Margalicious' Ricketts January 19, 2009
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