I was referring to a book called Song of Solomon, or Song of Songs.

For example, an excerpt from chapter 4:

^11^Your lips distill nectar, my bride;
    honey and milk are under your tongue;
    the scent of your garments is like the scent of Lebanon.
^12^A garden locked is my sister, my bride,
    a garden locked, a fountain sealed.
^13^Your channel is an orchard of pomegranates
    with all choicest fruits,|     henna with nard,

Literally, porn. It’s describing tossing her salad.

Nope. not really.

it's an apologist website, and while that in of itself is not something to suddenly dismiss out of hand, it is something to take a skeptical approach towards. for example, there's more than a few red flags in how they talk about things.

For example, when they're talking about the discovery of the Tomb of Sobeknakht II, they're grossly misrepresenting things. They describe an attack that led to the complete occupation- at least, for a time- of Egypt.

Except that the inscription in the tomb they're talking about, claims that Sobeknakht was successful in his defense at Elkab. At the time Sobeknakht was alive, 'Egypt' wasn't even one kingdom. it was split between the Thebans (Who Sobeknakht led) and the Hyksos to the north. this attack was was in, at the latest 1550 bce (Sobeknahkt II was ruling somewhere in the sixteenth and seventh dynasties.)

it's this kind of gross- and lets be honest, probably intentional- misrepresentation to conflate that with the Kush Empire's conquest of Egypt in 700-500 bce. there's 850 years gap- at the most generous- along with multiple kingdoms and dynastic succession separating the events of Sobeknahkt and the conquest of the kushites in 700ish. Even to suggest that behavior in one case would be the way that Egyptians of another time and another place behaved elsewhere.

And that suggestion would in fact be somewhat wrong. we do have things in the archeological record that show Egyptians suffered defeat. We even have things in the historical record where they're talking about those defeats and what happened how to keep them from happening again- including, as an example, the adoption of certain kinds of composite bows, the adoption of chariots were brought to Egypt by the Hyksos (asiatic peoples, less a race and more a class of people- that is the "foreign rulers".)

I have to assume this was an intentional lie, given that it took all of five minutes for me to find whose tomb they were talking about and that they were talking about a military invasion a thousand years later as if Sobeknakht would be there. You'll notice my opinion of apologists are rather low- this kind of lie is common, and either they're to ignorant not to believe it or it's intentional.

which brings us to the next thing.

The argument is "Well, just because we don't have evidence, doesn't mean there wasn't evidence we just haven't found yet." The question that needs to be asked is should we find evidence? The historical record we have that mostly survives comes from monuments and inscriptions. things on tombs and such like (like the inscription on Sobeknakht's tomb) lauding their accomplishments and victories. One certainly does not generally put shameful things on such tombs or monuments.

So no, we wouldn't really expect to see much in the way of historical records. that is to say, we wouldn't expect to find much in the way of writings- histories- on the defeats. Not by the Egyptians, anyway. any writings, as you note, would have fallen away and moldered into nothing, etc. But we would expect to find things in the archaeological record. That is- in the artifacts left behind. Things like the trash heaps that have pork bones in them- or no pork bones- or the kinds of weapons, tools, and armor, the vehicles, the remains of humans themselves, the fossil record. all that kind of stuff.

And, if those stories are true and accurate, we would expect to find evidence of those stories being true in the archaelogical record. For Manetho's story, that would have included Avaris, which has been excavated extensively, finding evidence of the lepers and corrupted people and such like. For example, the wall that Manetho says Osareph ordered built. Avaris had a wall. It was built by the Hyksos in the 1600's and served as their capital city; where as Osareph and Amenophis were probably in the mid 1400's. or later.

Neither do we have any evidence at all that the 80,000 were forced to work in stone quarries, nor that they moved to Avaris, and subsequently got crushed by a force 300,000 strong, nor did Amenophis (possibly Amenhotep II or Akhenaten) have major campaigns that saw them removed from their own lands and hiding with nubians to the south. Which is ludicrious to imagine that the Kush would have harbored them. the Kush and the Egyptians did not get along particularly well. (that is to say, they absolutely hated each other.)

As you can see, we have the same reasons for discounting the Exodus narrative, as well. Most scholars believe that the two narratives are separate legendary accounts. It's absolutely ludicrous that you would expect us to believe that 2-3 million Israelites somehow managed to live in the nile delta (where the population at the time is also estimated to number 2-3 million....) without leaving so much as a trace.