An artificial form of tourette syndrome in which the singing or speaking of a line from a song by one individual produces the spontaneous and not entirely voluntary singing or speaking of further lines of said song by another individual. This phenomenon is most often seen among people in good moods.
When you or your friends have musical tourette's, life is like a Broadway musical.
by TheLastPunslinger May 13, 2005
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being unable to control the temptation of suddenly bursting into song
"wtf iz wrong w/you?!?!"
"dude its musical tourettes, i cant help-smack that all on the floor"
"???"
"smack that till u get sore"
by me myself and iiiiii July 23, 2008
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Tiffany: "Bye Jenna"

Jenna: "Baby bye bye bye.. BYE BYE"

Kevin: "What's wrong with Jenna?"
Tiffany: "oh, she has musical Tourette's"
by HarryStyles123 June 18, 2015
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Randomly busting out music lyrics and dance moves.
Stevie has Music Tourettes when she starts singing C'est Pas Si Loin by The Bunny The Bear.
by BiscutGravey December 29, 2011
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Someone with Music Tourettes Syndrome (MTS) Is usually someone who has mass amounts of music, which is necessary for the constant changing of songs.

If you find yourself in a car or listening to music with someone with MTS, its best to not get too involved in listening to a song, because within the first 30 seconds or so, they will change the song. Its all about the constant turn over of songs, they seem to lack the will, patience, or attention span to actually listen to the entirety of a song.
Ted selects "Losing My Religion - REM" on his iPod.

30 seconds later, Ted changes the song.

Stacy: "Hey! I like that song..."

Ted: "Uh huh..." *Scrolls through iPod for next song.*

Stacy: D:<

Ted has some serious Music Tourettes Syndrome.
by VeSlapsYou January 10, 2012
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