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)
1.
Boofendaw, I stubbed my toe on the ho's heel.
2.
A: Yo so that's $200 for the zip, right?
B: No, man, it's $250.
A: Boofendaw! That's a mad krastic price.