1 definition by astro aimi.

Stands for “Millie B”, the creator of the popular TikTok song ‘Soph Aspin Send’. British residents and nationals call it the National Anthem. Which I very agree with.
“If you don’t know me I’m M to the B, coming in hard you better watch it Sophie, think you’re the only girl doing grime, M to the be say step in line.”
by astro aimi. October 9, 2020
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