Top Definition
An expression about someone who is so unimaginably ugly that you would rather pour acid in your eyes than glancing one more time at this person.
Mischa: hey dude, have you seen Alain lately?
Sthu: Man, you didn´t hear? He´s been sent away from his family because of the ugly as the nightingale syndrom he is suffering from.
by norwegianff April 10, 2010

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