To simonize something means to polish or wax it to make it shiny, especially a car.
Simonizing something makes it look very nice and new.
Examples:
He simonized his car to make it shiny.
I will simonize my bike to make it look new.
The man simonized his boat to make it shiny.
She simonized her shoes to make them look new.
They simonized the whole house to make it shiny and new.
We simonized everything in the garage to make it all shiny.