Maleva
" 'Maleva' is the feminine of 'malevo', which means thug and bully who lived in the suburbs of Buenos Aires. "
Kitty: Mommy mommy Betty's going to burn my teddy. Look at how she's tied him up!
Mommy: Betty! You're her elder sister! Stop being a Maleva, will you!
Mommy: Betty! You're her elder sister! Stop being a Maleva, will you!