Definition of dub-dub-dub in English:

dub-dub-dub

Pronunciation /ˌdəbˌdəbˈdəb/

noun

informalComputing
  • Short form used instead of pronouncing the three letters in the abbreviation www (World Wide Web) in Internet addresses.

    ‘The overwhelming majority of respondents to last night's question seem to agree that the acceptable vocal abbreviation is dub-dub-dub.’
    ‘Here, Internet sites start with ‘dub-dub-dub’.’

Pronunciation

dub-dub-dub

/ˌdəbˌdəbˈdəb/