Be aware of copyright laws and regulations in your area. Ensure that you're accessing the movie through legitimate channels.
For the most authentic experience, use an official 720p or higher release with the English audio track and enable subtitles if accents or fast dialogue make lines hard to catch. If storage/bandwidth are limited and you need dual-language support, a well-encoded 720p dual-audio MKV is a practical compromise. the hangover dual audio 720p
Thus, the term is predominantly found on: Be aware of copyright laws and regulations in your area
If you are downloading a 720p Dual Audio release, here is what you should expect regarding technical specs: the hangover dual audio 720p