Check out the new words being added to the dictionary...

brewski . . . . noun [2brew + -ski, suffix in Slavic surnames] (1978) slang : BEER 4

phat . . . . adjective . . . . [probably alteration of 1fat] (1963) slang : highly attractive or gratifying : EXCELLENT

comb-over . . . . noun (1980) : an arrangement of hair on a balding man in which hair from the side of the head is combed over the bald spot

tankini . . . . noun [blend of tank (top) and bikini] (1985) : a woman's two-piece swimsuit consisting of bikini briefs and a tank top

shopaholic . . . . noun (1983) : one who is extremely or excessively fond of shopping

killer app noun (1988) : a computer application of such great value or popularity that it assures the success of the technology with which it is associated; broadly : a feature or component that in itself makes something worth having

dot-commer . . . . noun (1997) : a person who owns or works for a dot-com

barista . . . . noun [Italian, person working behind a bar, from bar bar (from English) + -ista 1-ist] (1982) : a person who makes and serves coffee (as espresso) to the public

longneck . . . . noun (1978) : beer served in a bottle that has a long neck

compadre . . . . noun [Spanish, literally, godfather, from Medieval Latin compater — more at COMPEER] (1834) : a close friend : BUDDY

Botox . . . . trademark — used of a preparation of botulinum toxin

mosh pit noun (1988) : an area in front of a stage where very physical and rough dancing takes place at a rock concert

For a more complete list go to: http://www.merriam-webstercollegiate.com/info/new_words.htm