Vision: Hearing a shrill whistle: be careful for the next couple of days, you might be in danger.
Depth Psychology: The sound of a piercing whisde warns of danger.
In a dream, whistling represents pagan customs. Ifone hears a whistle or produces one in a dream, it may indicate an illness, or it could represent a vacant house or a ghost town.
A rare dream symbol. You want to be noticed. As in Scream, a primeval outburst of psychic energy.