As dead as a doornail and As dead as mutton

As dead as mutton and as dead as a doornail are semantically related. In some cases you can use "As dead as mutton" instead an adverb phrase "As dead as a doornail".

As dead as a doornail and as dead as mutton are semantically related. You can use "As dead as a doornail" instead an adverb phrase "As dead as mutton".