"First on the menu in case of starvation leading to cannibalism"?
loath. detest, dispise,
waste of space
A waist of a biological lab experiment, the best part of you ran down your mama's leg. Those two come to mind for me. :-)
Thank you. I could probably think of a few more. LOL!
Hate, loathe, despise, rude, mean, unbearable, mean attitude, Downcasting, makes you feel bad etc.
So, I went to Google and put in the following search term Defined "person you don't like". The first usable definition - 3rd one down - was www.vocabulary.com/dictionary/****
Nemesis It may be a tad off but its getting there.