blabbermouth

blabbermouth

1. noun One who is prone to talking a lot and sharing such private information. I can't tell my little brother anything because he's such a blabbermouth. Now I'm in trouble, thanks to you being a blabbermouth and blurting out that I got home past curfew last night! We would have gotten away with the plan if she hadn't been such a blabbermouth!

2. verb To share information that is supposed to be kept private or secret. Quit blabbermouthing everything I tell you to the whole family! I can't believe you blabbermouthed the plans for her surprise party right to her face! I am planning to resign, but please don't blabbermouth it to anyone in the department yet—I want to tell my boss first.

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

blabbermouth

1. n. someone who talks too much and tells secrets. You are such a blabbermouth!

2. tv. to tell secrets in public. Don’t blabbermouth this to everybody.

McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.