a person who says something more than once to get attention, and gets louder and louder each time even if your right next to him/her.
shacana says all below until end;
whisper-'have you got my hairband?'
talk-'have you got my hairband?'
shout-'have you got my hairband?'
bellow-'HAVE YOU GOT MY HAIRBAND?!#
person they're talking to- STFU.