the act of taking one's knee and ramming it into someone else's butt while screaming "RHINORAPE".
victim: man i was just talking to my girlfriend at that party the other day when that guy gave me the hardest rhino rape of my life.
friend: haha sucks to be you
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.