ngungulu by Cook Islands Maori Database | Jun 8, 2014 | Pukapuka | 0 comments v. to rumble, roar, boom (of thunder, wild animals). Ke ngungulu te watitili, ka mataku te wī tamaliki. When thunder rumbles, all the children are frightened. Koa ngungulu atu te liona. The lion roared loudly. 18.104.22.168. Types of sounds Related to ngungulu Submit a Comment Cancel replyYou must be logged in to post a comment.