tump-tump
(ˈtʌmpˈtʌmp)
[Echoic.]
A short sound as of water slopping without splashing, or a large ball being kicked.
| 1917 [see punt-about]. 1983 Listener 20 Oct. 26/3 The one creation that is seen in innumerable moods is the Fenland water—rising to the tump-tump of the water⁓pumps. |