Whats Is Hsupa I'm 11 Years Old Yesterday I Was In The Shower And Started Tugging On My Pee Pee What Is The White Stuff?

I'm 11 years old yesterday i was in the shower and started tugging on my pee pee what is the white stuff? - whats is hsupa

after the start of a pee take my little white stuff came out of my pee hole. What is it? What is it? I am very confused.