in platonic or workplace relationships when you consider a friend of the opposite gender to be non-sexual, named after the style of moulded plastic underwear worn by the britsh toy 'action-man'. I.e. You can't find them sexual because from your point of view they lack genitals.
your friend Barbara is really hot, but I suppose you've known her such a long time she wears action-man pants...
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 manwill 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"