Australian Water Snout
Letting an Australian Elephant insert its trunk into the recipients' rectum. The recipient then goes on to releases it's bowels, filling the Australian Elephants' trunk with fecal matter. The elephant then pulls its' trunk out of the recipients' anus and allows the man to insert his penis into the elephants' trunk
He didn't come to work all day because he said he stayed up all night getting an Australian Water Snout