It does! http://i.imgur.com/QFm6SCE.png https://www.reddit.com/r/polandball/comments/211ogu/conjugat...

Lacking https://en.wikipedia.org/wiki/Gravitas

Not much to see here, in Polish all the forms (for plural and singular) are just:

pies, psa, psu, psem, psie, psy, psów, psom, psami, psach