From Longman Dictionary of Contemporary Englishwave somebody off phrasal verbGOODBYEto wave goodbye to someone as they leave Are you coming to the station to wave me off? → wave→ See Verb table
Examples from the Corpus
wave off• All relatives, all there to wave us off.• The one with the shoulder boards made another gesture, this time waving us off curtly.• I climbed into the truck, gave her a wave and drove off down the winding township road.• The first attack wave took off from the carriers at thirty minutes before dawn, about 200 miles south of Ceylon.• He found places where the waves bounced off the boundary and then returned to the surface near a large bank of seismographs.• The referee then went off the field to consult an officer at the touchline who waved us off the pitch.• I waved them off, then went slowly back inside.• Finally she stood at the door and waved us off through the garden entrance. 