Waking up in bed with someone, not remembering the night before, but instantly falling in love with them as soon as you open your eyes.
Johnny didn't remember how he got there, but when he woke up in the morning next to Mary he knew that was where he wanted to wake up the rest of his life - it was love at first light.
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"