Since there is no established idiom with this exact phrasing, here are three ways to "properly" write or use it depending on what you mean: 1. If you are describing a cute/cuddly moment
While "Mishka" is a widely recognized name for famous pets (most notably Mishka the Talking Husky ), the "squishing Nemo" aspect often draws from a famous scene in the film Finding Nemo . squishing nemo mishka