I'd not heard of "tszuj" before, but apparently it is/was the Cool Word of the Month and is pronounced "zhoozh". Carson Kressley explains the concept here: http://www.youtube.com/watch?v=l14mVdnWf24 (He actually invents a few odd expressions in that video... it's certainly not a standard way of speaking.) From the context of the sentence, I guess you could use "roll the sleeves up" or "turn the sleeves up".

I think that it's 'push' your sleeves up, in a seemingly careless yet stylish manner. A non-word, spelt something like 'zoosh', is sometimes used to describe a way of giving hair a stylish look in this way. What intrigues me most about your word is the spelling. The combination of letters 'tszuj' means nothing to English speakers. We would assume it to be a word in a Slavic language ...or else a major typing error.

As Peachey and Suki say, it's a non-word, and a non-word with a weird spelling. The spelling zoosh or zhoosh or even zhoooooosh I would sort of understand... but tszuj looks to me like the name of one of those breeds of dog with lots of hair and pug noses, or possibly some sort of Chinese dessert. In other words, I have absolutely no idea what it is ! I don't think I will add that word to my repertoire.

можно еще вот здесь посмотреть: http://www.urbandictionary.com/define.php?term=zhoozh