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.
Many households have some kind of plumbing leak, which can waste a surprising amount of water. For example, depending on its size, a continuously running toilet can waste between 1,000 and 4,000 gallons of water per day and potentially increase your bill by hundreds and even thousands of dollars. A single faucet that drips just once every second wastes 8.6 gallons per day, or almost 800 gallons per quarter.