Sauce your nan means that you just recked them and then you can say I just sauced your nan or I'm going to sauce your nan!
Guy 1: I'm going to sauce your nan in fortnite bro.
Guy 2: No please don't reck me in fortnite!
Guy 1: Ha! You just died because I sauced your nan.
by Rxaper April 12, 2018
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