Proverbial vs Metaphoric - What's the difference?

As adjectives the difference between proverbial and metaphoric

is that proverbial is of, resembling, or expressed as a proverb, , fable, or fairy tale while metaphoric is like a metaphor.

is (euphemistic) used to replace a word that might be considered unacceptable in a particular situation, when using a well-known phrase.

(en adjective)

Of, resembling, or expressed as a proverb, , fable, or fairy tale.

* 1947 , ( transcript):

Doris: You're making me feel like the proverbial stepmother.

Widely known; famous; stereotypical.

I grew up in a prefab house on Main Street in 1950s suburbia, the second and last child of a proverbial nuclear family.

(en noun)

(euphemistic) Used to replace a word that might be considered unacceptable in a particular situation, when using a well-known phrase.

I think we should be prepared in case the proverbial hits the fan.

(euphemistic) The groin or the testicles.

* metaphorick (obsolete)

(en adjective)

Like a metaphor.

* metaphorical