Does anyone know an easy way to get an overkill in Halo 3?

[Velvet Dan]

i just need that one last overkill achievment...
I always get it but it's always when im in social slayer!!!
I cant get it in Lone Wolves!!!
Does anyone know any easy way to get this?

 

[wulirob83]

Rocket launcher and a bunch of noobs that like to ride in the warthog. Always a good recipe to rack up the kills.

Or a really good warthog driver and highly trained skills at the gauze cannon warthog. I got 27 kills on one game doing that.