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A medical condition, in which a hispanic third party states that someone suffering from any number of medical ailments. Typically associated with asthma, pneumonia, allergies, or any lung disease.
Doctor: Good morning Mrs. Jiminez, what seems to be the problem with your baby today?

Mrs. Jiminez: Chicken bref!!!

Doctor: I'm sorry?? what was that???

Mrs. Jiminez: I jest told jew, Chicken bref. Che started coughing last night, an her nose was running, an now CHICKEN BREF!
by breathing chickens April 27, 2010