Dumbiotic is a phrase and combination of the words Dumb and Idiotic used together.
"I found it vary dumbiotic to go through two job interviews with the same questions for the same job, especially since I've successfully worked with the company last year."
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.