Similes, n. a figure of speech in which one thing is likened to another dissimilar thing by the use of the words "like" or "as" to gve particular emphasis.
The English language has countless examples of such comparative phrases, some more wacky than others....
Here are some contemporary examples.
1. As baffled as Adam and Eve on Mother's Day.
2. As bald as a baboons arse.
3. Noisy like a skeleton on a tin roof.
4. As old as the Dead Sea when it was only ill.
5. As premenstrual as a tampon with a lit fuse.
6. Rare like rocking horse shit.
7. As tight as a camel's arse in a sandstorm.
8. As useful as a grave robber in a crematorium.
9. As welcome as a fart in a spacesuit.
10. As much use as a chocolate teapot.