Expression used all the time by Everyone
Va beh • It's the abbreviation of "va bene", literally "sure", "all right". It's also often used as a filler and it can be an expression of irritation, concession, resignation, admission, reluctance and more.
"Vabbè fai quel che ti pare!"
"Oh well do what you want then!"
10 out of 13 Italian speakers have heard this