In poker, when a board card is revealed and its suit is part of a player's hand, but the value of the card is unsatisfying. Generally this card eliminates the player's chance at a straight flush, leaving him with just a flush or at least a flush draw. In most cases, this is the river card.
Jack: Whoa, did that just give you a straight flush?
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"