a (female) vampire; most probably from a child's mispronunciation of beautiful as in 'bloofer lady'
"the child... gave as his reason for being away that a 'bloofer lady' had asked him to come for a walk... The wounds seem such as might be made by a rat or a small dog..." (Bram Stoker, 'Dracula', Ch. XIII)
by Khuy-n-inpw June 10, 2009