1. Noun (Marshellaa/Marshellaa's) : An individual of any age (but often a senior citizen) who's a weird but crazy black girl friend who've you've known since 6th grade who is extremely insaine and is obsessed with K-pop
stop being such a marshellaa
“Mom, you don’t need to type a k-pop web address into Google. You’re such a Marshellaa!"
by Almagem June 8, 2018
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