Turn that frown upside down is when someone isn't happy and someone else is trying to cheer them up.
by Yessia Ortiz June 8, 2017
Examples for turning a frown upside down:
Person 1: Do you know Joe?
Person 2: Yeaah.. he really needs to turn his frown upside down.
Person 1: Do you know Joe?
Person 2: Yeaah.. he really needs to turn his frown upside down.
by Dinges October 27, 2013