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1.
An interjection that is a synonym of pish posh and freakin' A.

Alternative spellings: phizzle phazzle
Oh fizzle fazzle! I forgot to pay my credit card bill dawg!
by Norm, Aaron, and Nate December 18, 2008
 
2.
This is the feeling one has when toking up a lot. Mental state after repeated drug use.
"Oh man, I was so fizzlefazzled last night!"
by Stephanne April 21, 2006