The correct spelling is arrivederci - the Italian way of saying till we meet again; farewell; goodbye; see you later; so long; etc.
The word arrivederci can be heard in Lil Wayne's newly released single Off Off Off:
As soon as he dunking we all feel the world shake
Like arrivederci, all hail the king
We've also heard Brad Pitt in Inglorious Basterds saying 'Arrivederci' (with an awful accent) and was mentioned in the last part of the 2015 film Spy by Jason Statham.
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