feisty

1. tenacious, energetic, belligerent, spunky
2. prepared to stand and fight, often despite small stature or lack of strength

[ feisty - Wiktionary ]

The Internet is so helpful. Although I know what words mean, I don't actually have to think about it, I can just look up the definition. I guess this will tempt me to be lazy, and never think, and eventually my brain will atrophy and die, but for now I'm just excited about how helpful this Internet is...