I actually looked it up a while back and there are several words... some seemingly invented recently (there is probably one true german one [1]) but couldn't find a definitive answer. I get the same feeling from the "vaporwave" [2] genre of music or any popular song but paired with the words "slowed and reverb" [3] on youtube.
[1] - https://english.stackexchange.com/questions/50144/is-there-a...
[2] - https://www.youtube.com/watch?v=aQkPcPqTq4M
[3] - https://www.youtube.com/watch?v=PzCFU_kw3KU