The phrase "grave digger" refers to a person whose job is to dig graves, or holes in the ground, where deceased people are laid to rest. Full definition
Choose your favorite official Monster Jam trucks such as Grave Digger, Max - D, Monster Mutt, and many more. (warpzoned.com)
You can pick from over 20 unstoppable Monster trucks, including Grave Digger, El Toro Loco, Bulldozer, Bounty Hunter, Blue Thunder, and Maximum Destruction. (metacritic.com)
So back in 2014 me, Scott Boyd a good friend to us, and Wifiplayer13 who is still on team Rectify talked about a concept «The Ultimate Grave Digger». (rectifygaming.com)