1 definition by Definitelynotaweirdo:)

A pointless app that 11 year olds that have no talent are obsessed with. You lip-sync to songs and people follow you for it.
"Musical.ly still exists?"
"Yeah. My 11 year old sister and her friends use it. It's so annoying."
by Definitelynotaweirdo:) October 15, 2017
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