1 definition by CAUTIONcontentsmaybehot

Top Definition
A creepy person who walks around at nighttime.
Typically a man resembling a thug or hobo who looks like they might pose a threat.
Causes most women to clutch their purse and phone tighter.
"Margaret, pretend to be on the phone with a cop, that nightwalker is creeping towards us."
by CAUTIONcontentsmaybehot March 15, 2010

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