Meaning of PIP in English
( n. )
A contagious disease of fowls, characterized by hoarseness, discharge from the nostrils and eyes, and an accumulation of mucus in the mouth, forming a "scale" on the tongue. By some the term pip is restricted to this last symptom, the disease being called roup by them.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012