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1.
A short-lived category on Wheel of Fortune, used only during Season 12 (1994-09-05 - 1995-06-23; also the last year for the show to record in the Bob Barker Studio, or CBS Television City, studio 33) that consisted of a word that was 8-13 letters long. The player who solves this puzzle gets an extra $500 bonus for using the word in a complete sentence.
The first Megaword used on Wheel of Fortune was EXTEMPORIZE.
by WM86 April 01, 2009
 
2.
When something is REALLY word.
You gots new buds?! MEGA WORD!
by x1chimaira1x April 09, 2007