This word is a combination of FERGIE and DELICIOUS.
Fergalicious is an adjective to describe Fergie of the B.E.Ps, this describes how sexy she is, and has similar connotations and implied meaning as My Humps.
By everyone elses definition is word used to describe someone who thinks they are sexy when in fact they are not and try too hard.
I saw Tosha at the park and she is so fergalicios.
A person, thing or work that is made soley to appeal to the mainstream or pop-culture. Often times used as a vehicle for product placement.
Money-loving, ego-stroking, objectifying tripe shat from the creative asshole of a major multi-national corporation.
"yeah, it was fergalicious...
*sarcastic* you trend-following neanderthal bitch."