Definitions

1. verb

to hum a tune or a melody, especially in a gentle, low-pitched sound.

“She was thummin’ a sweet melody on her guitar.”

2. noun

a humming sound, especially one made by a person or an animal.

“The thummin’ of the bees filled the air.”

3. verb (dialect)

to eat; to consume.

“I was thummin’ on a sandwich for lunch.”