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1.
Kocka does NOT have ANY connection with kock or cock
it is a CUBE in Slovenian language.

(slovenian language)-kocka = cube-(english language)

it is also a nickname for some people who imitate "The Cube" or just a nickname that comes out of their Family name
example: Primož Kocuvan = kocka
in this case the nickname arrives from his family name.
by David Rifel March 20, 2006
 
2.
Means cube in the Hungarian langauge, and it's also used in Huangarian langauge to people, who spending a lot of time with playing PC games.
He is a big kocka. Yesterday he played on the computer over 8 hours!
by hollokoszt February 21, 2010