Shantz! is everything and nothing. It is most commonly used in place of offending words, although, since it has no meaning, Shantz! cannot be used to get one into any trouble.
I Shantz!ed your momlast night, and she liked it.)
Eat Shantz!, a**hole!
Why don't you go outside and play hide and go Shantz! yourself?
Rizz (or charisma) that is based entirely on dumb luck; accidental rizz. Rizz that is completely unearned and undeserved, but works just as well.
"How did Dan get a date? He's terrible at talking to women."
"Somehow, he just wins them over with pure dumb luck and idiocy . That guy has crazy shantz."