Plugg is a sub-genre of trap music that emerged in the mid-2010s via online distribution on platform SoundCloud. It was popularized by melodic Southern hip hop artists, and is characterized by deep 808 basslines, sparkly melodies, and melodic vocals.

Unlike mainline trap, which is defined by bombastic production and rattling hi-hat drum patterns, plugg is said to be dreamy, laidback, atmospheric, spacey, airy, and minimal. The genre is also described as having an overall lush and jazzy atmosphere; ethereal, luscious multi-instrumental harmonies and melodies; sparse, disjointed, and relaxed drum programming with few hi-hats; and thick basslines. Instead of hi-hats in mainline trap, plugg drumming mainly employs beat skips, crash cymbals and punctuated accent snares on half-beats. As described by a critic, plugg is best intended to be heard alone, "experience[d] .. [in] the way it's intended: as a day-long trance in your isolated abode".

Vocally, plugg ranges from instrumental beats without vocals, to songs with either rapping or mellow singing. Rapping flows, used in plugg, range from aggressive to relaxed and mellow.