Including multiple audio tracks, subtitles, or extensive metadata can add to the file size.
So a would be a Blu-ray rip that’s bigger than it should be without a proportional gain in visual/audio quality. This is often used as a criticism in torrent or P2P comments:
In the strictest sense, video encoding is a balancing act between three variables: The "holy grail" of encoding is to achieve transparency (indistinguishable from the source) at the lowest possible file size. bloat bdrip
Bloat is often seen as undesirable because it can make the ripped files larger and more cumbersome to store or transmit, without providing a noticeable increase in video quality. Efficient ripping and encoding practices aim to balance file size with video quality."