Pendejo is a vulgar Spanish-language term of abuse. To call a person a pendejo is essentially to call him stupid, although it also carries implications of wilful stubbornness and rank ineptitude.
A toilet may run periodically due to a problem with the flapper, the flapper seal, the flapper chain or a high float.
What Causes a Toilet Overflow. If you have a septic system and your toilet overflows, the first thing to consider is when you last had the system pumped. A system that has filled beyond capacity can cause backups, ultimately leading to the toilet overflowing.