hyperperistalsis

noun
hy·​per·​peri·​stal·​sis | \ -ˌper-ə-ˈstȯl-səs How to pronounce hyperperistalsis (audio) , -ˈstäl- How to pronounce hyperperistalsis (audio) , -ˈstal-\
plural hyperperistalses\ -​ˌsēz How to pronounce hyperperistalses (audio) \

Medical Definition of hyperperistalsis

: excessive or excessively vigorous peristalsis — compare hypermotility