It is a metaphor. A simile has like or as in it.
Answer:
Even if you make it seem original you can get called out for plagiarism. Be careful and stay frosty :)
Explanation:
Well, using my limited knowledge, "cleaving" means to chop, break in half, split, etc. Twain means twice. So, perhaps it's like "you've broke my heart in half", something along those lines? hopefully this helps you.
Humiliated made fun of
ate something was eaten
lectured teached