muddafucker is sort of 'slang' for Mother Fucker, which is an insult commonly used. muddafucker is often used in texting, memes, and social media instead of having to type the long-winded 'Mother-fucker'.
U r a muddafucker - used in texting instead of "You are a mother fucker"
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"