Expressions that include “on the flip side” — see you on the flip side, catch you on the flip side, variants like catch you on the flippity flip — are common among English speakers. They are generally taken as a casual parting greeting, meaning “see you later” or “we’ll cross paths again soon.”
Who says Catch you on the flippity flip?
As Steve Carrell tossed the ball behind his shoulder, saying “catch you guys on the flippity flip!” he constantly shot toward a portable Lifetime basketball hoop… until he finally made it.