Derived from the french "on y va," which means "let's go," "on y vizzle" is a term originating in the echo park region of los angeles, california, among french speaking hipsters as a sarcastic fusion of respectable european culture and the snoop dialect of english, simply translated to mean "let's go".
Serge: "Truffaut and the Nouvelle Vague" are at the echo right now!
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).