burble
verb (used without object)
to make a bubbling sound; bubble.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Something ancient and mysterious has been burbling beneath the earth for centuries—or rather, someone has been burbling.
From Slate ● Jan. 31, 2023