A phrase that someone that simply tells another person that they will go outside and do what they have to do.
by Gymlover567 April 11, 2017
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A phrase usually meaning that business will be handled later. Most likely in a fight.
Person 1: Ima steal your bae
Person 2: Catch me outside how bout dat
by Urban Dictionary Folk March 01, 2017
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A way of describing that you want someone to fight you.

Often used by normies.
Person: Bro, why you talking shit?
Normie: CaTcH mE oUtSidE hOw BOuT dAt
by Hjannsi March 09, 2019
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