a.k.a. puppo
Cutesy ways of saying dog and puppy, it implies that the term only refers to canine's that are super cute.

Historical perspective: The meme-famous words “puppo” and “doggo” became relevant in 2017, when the world was in a somewhat unsettled state and societal issues were at an all-time high. To escape the madness, it was common for people to focus on social good and the WAFS (warm and fuzzies ;)
See also : Lolcat  viral  prairie dogging  
NetLingo Classification: Online Jargon