The "tastic" form of the word boss, meaning, amazing, awesome, sick, ill, official, legit, neat, basically a variation of the word cool.
Jaimie: Wow! That concert last night was totally bosstastic!
Sam: Oh I know, that was my favorite band!
by sa sa sammy April 21, 2008
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It's boss meets fantastic.
Bosstastic.

Bosstastic is commonly used when awesome, boss, sick, sweet etc. doesn't make it cut.

Therefore, next time, when you want feel like saying awesome but you're feeling more awesome than usual, use the word bosstastic.
Jeff: Oi Ken, how are you feeling today?
Ken: (feeling more awesome than usual) I'm feeling fucking bosstastic today!
by llSpeacial-Kll March 25, 2011
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