Noun; used as nomenclature for small eastern Asian dog breeds. The dog is also described as aggressive and territorial. Its literal translation in Old East Slavic tongue is small dog. Synonyms: Crazy, Outgoing, etc.
Girl: I just got a new puppy; do you want to see him?
Boy: I saw him on your Snap, he is outgoing right?
Girl: Yeah, he is really a shmoofka.
Guy washing his car in front of his son: "Shhhh-mookles I found another dent!"
Son: "What does shmookles mean?"
Guy washing his car in front of his son: "Look it up on Urban Dictionary, Sport."