A fictitious ingredient used in all fast food which causes an intense craving. Each restaurant has its own type. One type usually cannot be substituted for another. This usually leads to eating at different establishments until the specific time frame has passed (Which varies for each individual and flavenoid). Failure to satisfy craving may lead to irrational behavior.
"You're eating fast food again?"
"I can't help it, its the flavenoids"
"You had McDonald's 5 hours ago."
"That's why I am going to Taco Bell"
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"