2. The male then proceeds to extract the deposited seminal fluid by swiftly sucking on the anus.
3. The male then transfers the extracted contents in his mouth into the awaiting mouth of his partner.
When you cum in a person's ass, then person number one sucks it out of the person's ass, and then spit's it into person number two's mouth. Person number two then spits it into person number three's mouth, and so on and so forth....creating the dirty snowball effect.