S.M.I.T is slang for Soccer Mom In Training which is a girl who acts like a soccer mom
That chicks a total S.M.I.T
"Suburban Mom In Training"
When your friend says "Hey Paige, let me drag you into store after store filled with middle-aged woman clothes that normal people reluctantly wear when they reach 50.", she is a Suburban Mom In Training, or SMIT for short. The correct way to acknowledge people with this tendency is to say "Hey Smitty".