A masochistic brat. Especially in doujins. Usually the character acts bratty with the expectation that they'll be shown their place. (i.e. get corrected) Not in common use.
"I loved the masogaki from the XXX doujin!! uoh."
"The fvcking masogaki just was asking to get corrected."
"I'd plap that masogaki ass until it gets pregnant."
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.