When you hear something that is both arousing, disturbing and causes you to get a b*ner, thus causing your brain to break down into a masturbating sequence while struggling to comprehend thus creating the image in the most awkward possible way imaginable.
Whut?! WTF?! That caused me to arousturbate in an arousturbating way...
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.
When a man will search for hours to find something that is laying out in the open on a table. Items are often easily found by a women.
Man: "I have been searching for hours for keys."
Woman: "You mean the ones sitting there on the coffee table?"
Man: "Where?"
Woman: "Right there in the middle of that table."
Man: "oh, must have been Male Pattern Blindness"