What's the meaning of this proverb:"A fool's tongue is long enough to cut his own throat."?

Question

research

Answer 1

It means that a foolish person's words can get him into serous trouble.

Answer 2

Foolish people say things that get them into trouble.  

Like this:  

Judge:  "I find that there is insufficient evidence to hold the Defendant on a charge of robbery."

Defendant:  "Does that mean I can keep the watch?"

Answer 3

a fool will generally create problems for themselves just by opening up their mouth and letting words flow out

Answer 4

It means that a foolish person can get into trouble, when saying the wrong thing.

Answer 5

It means the guy from Kiss may be suicidal.