The term 'Hair Spray Mom' is a reference to the character Edna Turnblad from the musical and movie 'Hairspray'. Edna is a larger-than-life mother figure who loves her daughter, Tracy, and is willing to do anything to help her succeed. She is a strong, independent woman who is not afraid to stand up for what she believes in. Edna is a beloved character who has become an iconic figure in pop culture.