Grating, crackling or popping sounds and sensations experienced under the skin and joints.(noun)
Crepitation(noun)
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Use "crepitus" in a sentence
"Do not go hunting for symptoms of fracture (such as the false point of motion or the sound "crepitus") just to be sure."
"(My father, a retired general practitioner, can still tell as much from palpating a patient's abdomen or listening carefully for crepitus while articulating a patient's sore knee than most modern internists can from reading an MRI or CT scan.)"
"Less synthesizer, more sewer, the Atlantic — an ocean of filth in its own right, stepping-stone-less, lily-white-launching-pad welcome mat for pallid oppressor-rapists — has dipped its toes in a curdled consommé of croaking crepitus?"