A combination of yelling and mumbling, thereby being very loud but difficult to understand.

His constant yumbling gave them all headaches and became increasingly annoying, as they had no idea what he was saying.

Dictionary of american slang with examples. .

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.