(p. pr. & vb. n.) of Throb.

aching achy arrhythmia backachy barrage beat beating cadenced cadent clicking colicky didder disquiet disquietude dithers drum drum music drumbeat drumfire drumming fidgetiness fidgets flutter fluttering full griping headachy heartbeat heartthrob heaving in numbers in rhythm inquietude measured mellow metric migrainous palpitant palpitation panting paradiddle patter pitapat pitter-patter plangent pound pounding pulsatile pulsating pulsation pulsative pulsatory pulse pulsing quaking quaver quavering quiver quivering rat-a-tat rat-tat rat-tat-tat rataplan rattattoo resonant resonating restlessness rhythm rhythmic rich roll rolling rub-a-dub ruff ruffle shakes shaking shiver shivers shudder sonorous spatter spattering splutter spluttering sputter sputtering staccato stomachachy tat-tat tattoo tempo throb thrum thrumming thumping ticking tom-tom toothachy tremble trembling tremor trepidation trepidity twitter unrest vibrant vibrating