The transfer of a character's cum from one character's mouth to another. The character who provided the semen does not necessarily have to be involved in the snowballing.

See also

• felching - When a character is licking the cum out of another character's pussy or anus.
• cum_taste - When a character is licking cum out of their hands or lips.
• cum_kiss - A kiss with cum on the lips.
• after_cum_kiss - The moment after a cum_kiss, usually marked by a cum_string.