upbubbling

Verb

upbubble (third-person singular simple present upbubbles, present participle upbubbling, simple past and past participle upbubbled)

1. (intransitive) To bubble upward.
   • His spout was short, slow, and laborious; coming forth with a choking sort of gush, and spending itself in torn shreds, followed by strange subterranean commotions in him, which seemed to have egress at his other buried extremity, causing the waters behind him to upbubble.1851, Herman Melville, Moby Dick