A combination of bored and crush, for when you don't really like the person, but you still have a little crush on them anyway because there's no-one else who's interesting around.
"I thought you like Charles?"
"Nah. I just had a borsh on him when he was living next door."
Taking suggestive pictures of yourself without a mirror, so that the pictures are straight at you instead of like common sexing taken from the reflection in a mirror. The pictures are commonly sent to other people.