Baron (8mo) is CONSTANTLY licking my 4yo males GSDs face. I get that it's normal greeting/submission behaviour for a puppy. And Harley tolerates it to an extent but then he tells him no with a growl. Baron then pees.
BUT HE WILL NOT STOP LICKING. Harley growls louder, Baron pees and on and on until basically I interfere. And THEN, Harley pees on top of Baron's pee.
Half the time this is IN MY HOUSE!
Separate them. The pup is annoying your other dog. Before this escalates, step in and remove the pup.