Through the back door
"Thommy gets an invitation from her secret lover, Koks. The girl tells her that she will spend her day alone, so if they want to do something sweet and nasty, there will be nobody to interrupt. Her only request for Thommy that he should use the backdoor, avoiding the curious attention of the neighbors. Thommy takes the invitation quite literally, and comes through Koks tight, young 'backdoor', banging the girl's ass to a gaping hole"