Bitter, always rude and grumpy towards others. Usually has no sense of humour.
Me - "Was the test hard?"
Craigory - "Yes, you'll fail. Have fun! You'll be taking the course again next year"
Me - "That's rude! Can't you be a little suportive?"
Craigory - "Okay, you'll fail with flying colors. Happy?"
Me - "Ugh! You're always so bitter and rude!"