Heres the tail.
1)Someone had way to much to drink..
2)Someone had way to much time on there hands..
3)Someone had way to much of a fetish for monkeys..
4)Someone had a teribal incident when they were a kid with bullys, and they were locked in a trunk for a period of 10 min or so.
Put those four together, and alas...
you have a Trunk Monkey.