The act of having sexual acts with someone, to which after putting the full depth penis in the rectum, insert into your partners mouth for a safe taste of their own rectum.
Guy: Are you ready for the anal transfer?
Girl: im sorry what?
Guy: the anal transfer.
Girl: alright...
—Ten Minutes Later—
Guy: Transaction complete.
When you and your partner want to do anal, put your asscheeks right next to each other and one takes a firm, meaty shit out of their asshole and the turd moves into the others asshole.
Bro, I had to take a dump during sex with Amanda last night so I improvised and did the Anal Transfer.