A tic is an involuntary movement/involuntary speech or clearing of throat etc. which can come and go, but for some people with tourette's or similar, they usually happen more often than others. Tourette's and similar syndromes/disorders can be treated with medicine (example: clonidine, clonazepam etc.).
Did you hear that James got a really bad tic? He had to scream "ice cream flavoured sh!t"!
by niki201 April 9, 2015
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To say something is or was good. (Along with 'Sick' 'Phat' 'Bad' etc)
I believe short for 'Hectic'.
"I went to some party last night bruv, it was tic"
by Council B September 30, 2005
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A word in Altean that meansSecond
Wait a tic!”-Allura of Altea
by Just-Your-Average-Otaku October 29, 2018
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"Tic-tic girls" is a word to describe the tribe of girls who are always well-dressed, stick to conventional fashion trends to look pretty at all times. They tend to reinforce the stereotype of the popular cheerleaders who are superbly girly.
How to spot one: Impeccably co-ordinated clothes, shoes and accessories at all times, clothes that will always show off their figure, perfectly set (mostly straightened) hair, most likely wearing heels, perfect make up, handbag which rests on the forearm, perfectly manicured nails, they say "totally" and "eww" a lot, preoccupied with their appearance and taking selfies to look 'hot'
The name comes from the 'tic tic' sound of high heels
Veronica is such a tic-tic girl, she's carrying TEN tops and FIVE pairs of shoes for a 2 day trip!
by tweedledee29 April 23, 2015
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A nickname given to a person who looks like a Terminally ill child but is actually healthy. They would usually have pale skin, ranga hair and freckles covering their body.
George: WOW that kid looks like hes dying!
Nick: Nah thats just TIC.
by Textured August 11, 2011
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Short for "Toowoomba is Cool".

Easily the most incredible forum ever produced or partaken in by man. Used mostly by forum users, this shortened version can become quite useful in conversation and at partys, however, it should be used with caution when talking to non-TIC members, as it will in fact cause much confusion.
TIC user #1: Did you see that post on TIC?
TIC user #2: Hell yeah, what on earth was she thinking?

Or,

TIC user: Are you on TIC?
Non-TIC user: What the hell are you talking about?
by Sephiroth March 26, 2004
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Tongue in Cheek, Ironic, Not to be taken seriously
Wow...I'm really impressed by your friends! TIC
by Blueroom September 22, 2010
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