Londoner slang for "Oi, izz dinner time. Come over, we're having fish en chips." Saying "I will shank you bitch" in London often means "Do you want to get some coffee with me?" or "I'll get you some food." depending on the individual's tone.
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.