melting pearls on my tummy 

Spanking the monkey. Masturbation.

"Well, I'll be upstairs melting pearls on my tummy if you need me." Roger on American Dad

melting pearls on my tummy by tibu March 9, 2012

Melting pearls on my tummy 

How ejaculate might look on one's stomach after masturbating.

American Dad - Season 7 Episode 9 Rodger says "I'll just be upstairs melting pearls on my tummy if you need me."

Melting pearls on my tummy by stevezoob June 9, 2012