Weird localization of band name

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From Wikipedia -

Band name

Turbonegro playing at the Southside Festival in 2005

Initially, the band had two running ideas for band names: Nazipenis and Turbonegro. They were advised that a band named Nazipenis would never sell records, so they chose Turbonegro as a more consumer-friendly choice. The band’s name raised some eyebrows and, for that reason, their first releases were sometimes branded “TRBNGR”, perhaps to preclude backlash against what some consider to be a racist name. However, the band’s stated motivations are anti-racist, an attempt to change the attitude of racism and nationalism perceived as prevalent in parts of Scandinavia.

According to lead guitarist Euroboy, the band name also has a peculiar origin. “I think Pål saw it spray-painted on a brick wall in a tube-station in a suburb of Oslo back in the day. It’s actually two Latin words. It means ‘fast’ and ‘black,’ and we thought that was a cool name for a band. Because our music is very fast and very dark. And also, it’s a name for a color. In the car industry, it’s the name for the paint, for the darkest paint. If you want to paint your car black, the most black colour of all is Turbonegro.”

Bunch of Scandinavian white boys valiantly attempting to change racist attitudes by using a racist dog whistle. Yeah, right.

What were they attempting to change with the name ‘Nazipenis’?