Blab verb – Divulge confidential information or secrets. Let the cat out of the bag is a synonym for blab in tell all topic. In some cases you can use "Let the cat out of the bag" instead a verb "Blab".
Let the cat out of the bag verb – Divulge confidential information or secrets. Blab is a synonym for let the cat out of the bag in reveal topic. You can use "Blab" instead a verb phrase "Let the cat out of the bag".