The sight of spotting a ugly girl in a group full of hotties the grenade is the one who get's no attention from the guys
Group of guys are in the club and spot four hot girls walking threw the door but notice a fifth chick with them one of the guys points at the girl and says look Grenade Alert
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"