Definitions by Brillig

bogeyman 

A monster used to threaten children.

If you don't go to bed the bogeyman will get ya!

bogeyman by Brillig January 24, 2004

undertoad 

A bogeyman, or in general, fear and anxiety about the unknown and mortality. From "The World According to Garp".

Jet travel was his undertoad.

undertoad by Brillig January 24, 2004