What does the word 'dub' in the Eiffel 65 song 'Dub in Life' mean?

In the context of the Eiffel 65 song "Dub in Life," the Word "dub" likely refers to the music genre known as dub. Dub is a subgenre of reggae that emphasizes instrumental and rhythm sections, often incorporating remixing and electronic effects. Therefore, "dub in life" could suggest a focus on the musical style and culture of dub within the song's lyrics.