['bu:giˏmæn]
n.
具有超人力量的恶巫

[ noun ]
an imaginary monster used to frighten children
<noun.person>

Boogeyman \Boog"ey*man\, Bogeyman \Bo"gey*man\, n.
Something frightful, as a specter; anything imaginary that
causes needless fright; something used to excite needless
fear; also, something really dangerous, or an imaginary
monster, used to frighten children, etc. ``Go to sleep or the
Boogeyman will get you.''

Syn: Hobgoblin; goblin; specter; ogre; scarecrow; booger;
bugaboo; bugbear.
[1913 Webster +PJC]