The only real risk from this is from the rimming, depending on how long that lasted.
You are at risk for anal gonorrhea, chlamydia, syphilis, and genital herpes type 1. The risk is much lower than if you had oral sex on your penis or insertive vaginal or anal sex.
There is no practical risk from using saliva as lube, or briefly touching her tongue to anywhere on your penis.
Sucking on your testicles is also no risk because the skin on your scrotum is too thick for germs to penetrate.
I wouldn't worry about any of this if you don't get symptoms in the next couple of weeks.