Person/peoples who takes "ratchet" to a whole other level, meaning they are beyond dirty, nasty, and/or ugly. They are foul to the fullest extent, and they rep their foulness with loud, boisterous pride.
It can be used to target a specific individual:
"Calm the fuck, you fucking ratchepotamus."
It can be used for an outta pocket situation:
"She is so wrong for that! On the real, she's a straight up ratchepotamus"
It can be used for a whole group of fired up ratchets:
"Somebody tell these ratchepotami to calm the fuck down."
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"