Of or referring to any unnaturally large crowd and the reason for their existence in a particular area. Often the event in question is heavily attended by men to the exclusion of women, though any unnaturally large crowd and their reason for existing can be described using this reasoning.
Why are there so many people lined to see this filler panel at Comic-Con that seemingly shouldn't be this crowded? It must be free blowjob day in there.
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"