fido

A stereotypical given name for a dog.

He [Jimmy Goodson] also passed along some water-saving tips to customers from residents Ingrid and Doug Scott. “If it’s yellow, let it mellow; if it’s brown, flush it down. Urine is a sterile liquid and the toilet is not there for the purpose of Fido getting a drink or Junior floating his rubber ducky,” the couple said.

This may provide a simple explanation for the seemingly universal desire of all dogs to drink from the toilet. Since toilet water has likely been refreshed more recently than the water in Fido's bowl, it tastes better.

Clipping of FidoNet.

A coin that is defective, having been incorrectly minted, often prized by collectors.

Acronym of flight dynamics officer.