An old man was sitting on a bench at the mall.
A teenager sat down next to him.
He had spiked hair that was red, orange, yellow, green, blue & violet.

The old man stared. Whenever the teen looked, the old man was staring.
Finally, the teenager said sarcastically:

"What's the matter old boy, never done anything wild in your life?"
Without missing a beat the old man replied:

Got drunk once and had sex with a peacock.
Just wondering if you were my son