look up any word, like fellated:
 
1.
A very hated and notorious person that smuggles Mexicans into the United States of America. Pollero literally means chicken hearder for the way illegal immigrants, known as, " pollos ," walk behind them through the harsh border region like a big bag of chicken feed.
The pollero just abandoned the Mexicanos when he saw La Migra in the distance.
by Paisa July 01, 2005