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1.
It's something a girl says to a guy to make him shut up.

To explain to a guy that it's something a girl does
guy:I don't get why girls are like that.
girl:you just wouldn't know

guy:You spent $100 on cds!
girl: you just wouldn't know
by Falloutgirrrl January 10, 2010
1 0

Words related to You just wouldn't know

cds cuz smart thats true yes your