Spitfire
A female pony in My little Pony Friendship is Magic and also th commander for the aerobatic team, Wonderbolts.

SHE'S A MUTHA FACKA HOT GIRL AND YA CANNIT MESS WITH THIS MUTHA FACKA SPITFIRE

Oh and also it means a person with fierce temper
SPITFIRE IS A COOL GURL YOU MUTHA FACKA NOOBIE!!

Ya can never mess with a Spitfire