'Doing a Brierley' is the process of walking up the stairs with the intent of getting something, forgetting what you needed, walking back downstairs and then half the way down the stairs, remembering what you needed.
"Why did it take so long for you to get your phone?"
"Sorry, did a brierley"

or

"God! You keep doing a brierley!"
by XxDamien13xX October 16, 2020
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Awesome, sweet, honest, intelligent,smart, and a boss
Girl- I have No, idea what to do with my homework

Girl 2- as Sarah Brierley she’s really smart :)
by BrierleyMiaqueen January 20, 2021
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