Having intercourse (anal or vaginal) ( Charlton Heston)inserts into the recipient ( the ape)while the individual is wearing a monkey mask. During the act it is acceptable to quota Planet of the Apes.
Meeting a girl in a local pub, take her back for shenanigans then when she is least expecting it insert your penis and one testicle whilst making monkey noises as you cum like Charlton Heston in planet of the apes