Tik Tok is an app, where you can lip sync to a song, and upload it. The app was originally called Musical.ly, but a chinese company bought it, and renamed it to Tik Tok. The app is fulfilled with cyberthots, fuckboys, trolls, gamers, furries, old people, and "comedians".
Those furries on Tik Tok, tho...
by redbird6 November 17, 2018
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as of 2020, the platform full of talentless "dancers" who either sway their arms or shake their butt that is flatter than paper or bobble their head in front of a camera and making a fortune. It is also full of cringe footnote 9 year olds that record their fortnite character dancing on their tv for 15 seconds of fame. Also if you dare to make a hip hop song in 2020 it will result in some 13 year old white girl dancing to in by shaking their butt and everyone saying "That song is from Tik tok"
"Omg that song is from Tik tok"
by Natokado November 18, 2020
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tik tok tik tok... a ticking cancer.

Another word for:
Dangerously Stupid Extreme Sports
Head Shrinker
Stage 4 Cancer
Mind Reverse-aging
Brain Damage
James: Hey mommy! Look at my tik tok.(in a girly voice)
James's mom: What the hell has happened to you.
James: Tee hee, I'm a Tik Toker.
James's mom: We're going to the hospital.

At the hospital

Doctor: Your "son" has been diagnosed with tiktok also known as brain damage.
by Laxer35 February 20, 2023
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definition 1: an "addicting" app that replaced musically and honestly made it bad. people will cancel you for anything.
definition 2: an awesome song. the only valid tik tok.
definition 1: my nine year old sister won't get off that dumb tik tok app!
definition 2: omg, tik tok is one of my favorite songs!
by dogs4lifeee February 11, 2022
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A place where people with social anxiety and mental health issues go to watch people do stupid shit.

EX:
Jimmy: Hey Tommy can you give me a dollar?
Tommy: Yeah sure!
Also Tommy: MR.BEAST!
Hey i'm going to yell at my son for watching tik tok
by Mist of Meat February 2, 2023
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She put my name in yellow hearts and she told me that she loved me and i had to cut her off
I have been on Tik Tok for 10000000000000 hours this year
by joemamaistiktokfamous November 9, 2019
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the app where random teenagers go to forget their depression (half the time it doesn't work)
half the time it's good half of the other time it's ...........
person 1: hi person 2 what are you doing
person 2: watching tik tok
person 1: what side of tik tok are you on
person 2 :anime tik tok
person 1: ew
by baxugozgfs February 11, 2022
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