When you are having anal with an Asian and right before climaxing you pull out and finish on their ass. Coating their butt cheeks in a snowy white residue.
1.

"Thank you for your snow skin mooncake, Catherine"

"As long as you like it, Ken. ^_^"

2.
"The Mid-Autumn Festival starts today! Would you like to celebrate by coming over to my place and enjoying a snow skin mooncake?"
by No_Dice_6 September 13, 2019
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