The act of placing your scrotum into a partners mouth whilst they gently hum the theme tune of any popular t.v show
Girl- Hi there how are you?
Guy- Give me a humball
Scotish Girl- Hi there how are you?
Scotish Guy- Gies a Humbaw
Guy- Give me a humball
Scotish Girl- Hi there how are you?
Scotish Guy- Gies a Humbaw
by Cantabrian February 26, 2007