Tears that are fake, or are meant to deceive. Same as crocodile tears.
Man, that bitch was totally faking it with those alligator tears.
by gleenn May 14, 2007
line from the Tegan and Sara song "Alligator" off of their record Sainthood.

meaning fake, deceptive tears in order to con someone.
line from the song:

"Sensitive, it's true. Alligator tears cried over you."
by frameworkjace January 2, 2010