This article is too damned short, Marine! You will help Gruntipedia by so it will fit the screen, fool!
- Yah...right there serina...just a little*guy throws the grenade*AHHHH I CANT SEE I CANT S-*hit a wall*
- — The asshole
The 'sonic grenade is crappy little thing used by some noobs to make some Jackals pee in their pants. But the plan failed miserably because when KFC opened on Reach all the jackals died.