No information given. Seriously, no information. None. Stop looking.

http://tcsuk.xippy.co.uk

Here's a website link that doesn't work, and good luck googling TCUSK. ok ♥♥♥♥♥♥♥♥♥ I just googled it, and I wasn't expecting that... but this was my favourite

http://acronymsandslang.com/definition/3995532/TCSUK-meaning.html

ok but no more information given! I can't believe you got even this much out of me...