A dean
Deaning is when your friend’s girlfriend is your new girlfriend, and you don’t even care if your friend’s feelings get crushed. It’s like stealing candy from a baby, but the baby has a knife.
He asked my girl out while I was in the bathroom. I came back to find her crying on my shoulder.
I trusted him. He went from my best friend to my girl’s new BF.
He told my girl I was a 'total waste of time.' I took that as a personal attack.