A day when you rest from school, and potentially become smooth-brained, also known as the day of idiots.
Person 1: Hey, what’s Obama’s last name?
Person 2: -_- How smooth brained can you get on Smol Brain Friday? Obama is the last name.
Person 2: -_- How smooth brained can you get on Smol Brain Friday? Obama is the last name.
by IsolatedWords January 15, 2021
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