Snarge, I think it means combination of snot and garbage.

Snarge， 我认为是鼻涕和垃圾的结合。

And you can see all of this bird ick on here, which is what we refer to as " snarge, " or bird tissue.

这里你看到的恶心的黏糊糊的东西，也就是我们所说的“鸟击”或鸟的组织。