1. Japanese for mince. It's often used to describe meat, like minced meat. Minced means cut up.
2. Menchi is a dog in the anime Excel Saga. He is Excel's,
the main character,
emergency food supply in case she gets hungry, and
unfortunately, Excel gets hungry a lot. Therefore, the creation of the ED, Menchi Aishuu No Borero, where Menchi begs not to be eaten by Excel.