like a blonde moment, but more general. basically the feeling that what you just said makes you feel plastic, superficial,bimboish, air headed, or princess like.
Erin: Should I wear my pink heels with this or my sparkle hooker heels.
Kelli: its a funeral, stop having a barbie moment.
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!