have a big mouth

see big mouth.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words for have a big mouth

prate, yak, jabber, spill, babble, leak, snitch, noise, rumor, chat, gossip, prattle, blab, chatter, talk, squeal