a person which when hugging you is cautious and overly gentle, causing them to 'hover' their arms around you instead of hugging. This could be caused by anxiety, fear of what you think of them. It's almost like having a weak handshake, it feels odd and not pleasant at all.
hover hugger:*puts arms around to hug you*
you: *AHHHHH YOU'RE A HOVER HUGGER. c'mon lets teach you how to hug properly.'