way back adverb 2noun 1 adverb2 •long ago •far into the pastAs friends, we go way back: we met in primary school. noun1 •(informal) The part farthest in the back, as of a passenger vehicle.Mom swerves the church's turd-brown minivan into an open space. Departure area. The little kids are in the back seat. They ramble on about the airport. Patrick sits in the way back. — 2015
