The phrase "to throw in the sponge" is a figure of speech that means to give up or concede defeat, particularly after a struggle or effort. It originates from boxing, where a trainer would throw a sponge into the ring to signal that their fighter can no longer continue. This expression conveys the idea of surrendering or acknowledging that further attempts are futile.
could eat a horse
not worth consideration; unimportant:
Hyperbole
Alliteration and personification
A cakewalk is a figure of speech, it means that something is going to be easy, if I am not mistaken.
It mean you do not mean it
The clot is actually attached to the inside of a vein or artery, and when it breaks free, travels and causes problems. It is not actually " Thrown " . That is just a figure of speech.
could eat a horse
not worth consideration; unimportant:
Hyperbole
Alliteration and personification
It is generally used as a figure of speech to mean that what is being said is nonsense.
of or involving a figure of speech, especially a metaphor; metaphorical and not literal
This figure of speech means that the person was proved wrong. This is true especially if the person in question was bragging, and proved wrong by someone else.
A part of speech -- there are eight -- defines the classification of a word.For example, run is a verb, house is a noun and so forth.A figure of speech is a phrase used for emphasis which is not real.For example, 'you eat like a horse' doesn't mean that the person eats standing on all fours with chin in trough munching on oats. That figure of speech means that the person consumes more than average amounts of food.So a figure of speech is not a part of speech in the sense implied by your question.Another answer:'Figure of speech' is a noun phrase.
It means that the world has endless possibilities.
A cakewalk is a figure of speech, it means that something is going to be easy, if I am not mistaken.