A strange meat to be found as a menu item in the far lands hubwards of Quirm. Nanny Ogg was uncharacteristically vague in explaining it to Magrat. A hint is that they tend to come in pairs. The nearest Morpork provides to this culinary experience is the euphemistically named rat fruit which also come in twos.
Cojones - a Spanish word meaning, more or less, testicles. Also used as a synonym for machismo - Latin males must have this indispensible quality of mind..