No, it is not used as an adjective. Mandy is a proper noun, a given name or nickname.
Mandy the soul Mandy the soul Mandy the soul Mandy the soul Mandy the soul Mandy the soul Mandy the soul Mandy the soul Mandy the soul
Was Mandy Miller really deaf in the film Mandy
Mandy who?
Mandy Holmes goes by Mandy.
Mandy Brint goes by Mandy.
Mandy Ashford's birth name is Ashford, Mandeline Elizabeth.
Mandy Musgrave goes by Mandy Moo.
Mandy is not married
Mandy is 5'3 (160 cm).
Mandy's whole name is Mandy Michelle Jiroux......
Mandy Kitto's birth name is Mandy Hyde.
No Mandy is her BFF. Mandy is also called Manderz. You can see them on youtube if you type in " Miley and Mandy Show"