One of clippy's authors and maintainers here (though I didn't choose the name); why would you name such a program "lint"?
For me clippy evokes the image of a well-meaning, if at times clumsy helper that tries to nudge you in the right direction. I find that very fitting for a tool that...well...tries to nudge you in the right direction of writing good, fast, idiomatic code.
Clippy is reborn from its ashes into a cultural icon; it made you react, therefore it's a fun name to choose. Kakoune uses a clippy ASCII art for its immediate help, it's nice.
I think “kak” would be better translated as “poo”. Parents will routinely talk to their kids about “kak”, similar to the way US parents will use the word “poo”. The word “shit” generally has a much stronger meaning (and is therefore often obscured, as “s..t” or something similar.
I think "kak" still would be translated better as "shit", you wouldn't curse with "POO!". But in Dutch you can curse with "KAK!", just as 'SH*T!' in English.
Copyright doesn't apply to names, and the only US trademark for "clippy" is for medical equipment (and thus doesn't apply here) [1]. There doesn't seem to be any EU trademark for "clippy"
For me clippy evokes the image of a well-meaning, if at times clumsy helper that tries to nudge you in the right direction. I find that very fitting for a tool that...well...tries to nudge you in the right direction of writing good, fast, idiomatic code.