IIRC it started its spread when someone tweeted a machine translated Chinese about the AL girls, and that somehow ended up in it. The entire tweet were mostly nonsensical though, but it also give rise to the meme 谢谢茄子 (literally "thank you eggplant"). I have no idea how that even ended up in there.
I really love you.E-Enterprise....CommanderThat night Commander died.EXPLOSIVE
According to niconicopedia this is AzurLane slang for "an explosive ejaculation"
射爆了