Clang associations are formally defined as "psychic associations resulting from sounds, often observed in the manic phase of manic-depressive psychosis." In simpler terms, clang associations are groupings of words based on their sounds, generally rhyming or partially rhyming, without necessarily having any logical reason to be put together.
Quite pathetic, apologetic, paramedic
Your heart is prosthetic"
Lyrics from Blue October's "X Amount of Words" by Justin Furstenfeld (Read his capsule bio)