yadda yadda yadda /ˌjɑːdə ˌjɑːdə ˈjɑːdə
/ ▸ exclamation North American English informal used to indicate that further details are predictable or contextually evident from what has preceded: boy meets girl, boy loses girl, yadda yadda yadda.
– ORIGIN 1940s: imitative of meaningless chatter.