Pee-Chubb
When a semi-erection is caused by the need to urinate.
Guy one: Man I have a pee-cubb!
Girl one: What is that?
Guy one: Give me your hand and I will show you what a pee-chubb is ;)
Girl one: What is that?
Guy one: Give me your hand and I will show you what a pee-chubb is ;)