As clear as mud

Meaning

This describes an explanation that is confusing or entirely lacking in logic. It is a sarcastic way of pointing out that someone made things more complicated rather than explaining them.

Sarcastic, blunt

Used in a sentence

• He tried to explain the tax code for twenty minutes, but it was as clear as mud.
• I asked my boss for clarification on the project timeline, but the answer was as clear as mud.
• Thanks for the directions, but that intersection is as clear as mud.