Jozxyqk is supposedly a word in the language of the Felis sapiens.
Cat revealed this to Dave Lister as the two played Scrabble, and Cat used it as one of his words to win. According to Cat, it is a genuine Cat word, being "the sound you make when you get your sexual organs trapped in something".
Lister was wary, believing that Cat may have been making the word up, and therefore cheating. Asking if it was in the dictionary, Cat replied to Lister that it could be, if you're reading in the nude and close the book too quick. He then demonstrated how this word would be pronounced. Lister remained skeptical ("Bodyswap", Series III)