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Your song addictions. Every time you hear your favorite songs you have to have the volume up on full blast.
Girl: Turn up the volume on the radio! That song is cranktastic!
Boyfriend: Whatever keeps you happy baby. *cranks radio up*
Boyfriend's friend: man your girl has a addiction problem with this song.

Boyfriend: Shut up and leave her alone.
by Red Triple X December 02, 2014
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Used as an adjective crankstastic is used to describe a feeling of Euphoria. Coming from the root words of crank and bombtastic it combines the joy of using crank, a drug, with elements of bombtasticity, greatness.
Man, That crank was the most cranktastic crank I ever cranked. Pshhhh!
by Brian Adams April 14, 2008
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