Opall - Used to describe a large wad of semin, normally looks like a Opal.
Opalled - To have Opalled on something or someone.
Opalling - The act of ejaculating a large wad of semin on someone or something.
Dude, you just "opalled" all over her face!
Check out that "opall" on her chin dude, its huge.
She is gonna feel it when I am "opalling" all over her face man.