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something that is both rocking and spectacular. Used to express great excitement or suprise.
Wow that concert was rocktacular.
by 12Rat34 March 15, 2006
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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2
a combination of rock and spectacular
1. When something fuckin' rocks
2. an expression of excitement or anticipation of something great
1. Awww man! This new CD I got is rocktacular
2. dude this is gonna be rocktacular
by mikol_g June 22, 2006
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