Penavallus is an individual that lies about the stupidest shit for no apparent reason. This individual can be seen lying for recognition, appraisal and/or no apparent reason, just natural instinct at this point.
Person 1: Yo, I'm sorry I could not pay you on time. My parents are going through a divorce.
Person 2: Nigga, I just saw your parents yesterday fucking in the kid's section in "Toys R Us"
Person 1: Bru, that wasn't them. Those were my Uncles that fought in Afghanistan in the 18th century
Person 2: You a Penavallus ONG