It's not an idiom because you can figure it out. It's a sarcastic way of saying something is not clear - it's as dark as mud.
No because it means exactly what it seems to mean. "Caked" means coated or layered, so something is coated or layered in mud.
It means if someone is giving you an explanation about something or you read something that is confusing 'it's clear as mud' meaning it's confusing and not clear in your mind.
An idiom is a saying or expression. There are many idioms that mean to stay away from, or avoid, someone. An example of such an idiom would be, "to steer clear of" someone.
This isn't an idiom because you can figure out what it means without someone telling you. When you see "AS ____ AS _____" you're looking at A Simile - a type of comparison. They're comparing someone's happiness to the happiness of a pig wallowing around in the mud.
It's not an idiom, it's a simile. Someone is uglier than a fence used to stop mud from flowing across a field.
A Clear Word from Mud Creek - 2006 A Clear Word from Mud Creek 1-244 was released on: USA: 24 April 2011
A Clear Word from Mud Creek - 2006 A Clear Word from Mud Creek 1-361 was released on: USA: 21 July 2013
A doctor named Mud gave medical assistance to john Wilkes booth, not knowing how he was injured, after the assassination of President A. Lincoln. when this was discovered, Dr. mud was sought out, through sheer hate, and hanged. hence the expression - your name is mud ( you're going down )
The idiom "I hear you loud and clear" means that the speaker fully understands and acknowledges what the other person is saying without any confusion or ambiguity. It expresses a clear and direct affirmation of understanding.
Yes
An idiom is a rendition of a combination of words that have a figurative meaning. Most idioms have no clear "inventor".
The phrase "as clear as mud" is a figurative expression that means something is confusing, unclear, or not easily understandable. It is meant to highlight the lack of clarity in a situation or explanation, likening it to trying to see through murky water.