In Bayern people say ''Du bis so süß!''  - which is really ''sweet'' but they seem to use it like ''cute'' like for puppies, kids...pretty much everything is süß around here.  ;-)  Oh, and REALLY cute is ''zuckersüß''.  Servus aus Bayern!

geil is a very sexualized expression and schmutzig is dirty, so better translate things that someone tells you before you say it to anyone.

If you want to learn more, just try my channel: https://www.youtube.com/channel/UC2XoO1HBizGfvZR01kK_VJQ/playlists
Just on top you can use them for example while making a walk or something.
Feel free to tell me if you need a special topic! I shall talk about!!

I think it's the best method, cause me myself I learned that way and found it much easier than I've ever learned before.

ah, no no no! Not that. Du bist so schön - that must be ok.

Du bist so schmutzig, may be :)

hahah thank u