1). The pre-evolved form of bats, using their prolonged arms to jump from cave crevice to cave crevice, but not yet capable of flight.
2). A man who lurks in the shadows, waiting to grab women's butts.
1). "The crevice-grippers of the Lascaux caves in southwestern France, known for their prolonged appendages, will one day evolve into the modern bat we know and love today."
2). "Omg what is that thing in the corner?!" "Girl, that's a crevice-gripper. He only want your ass. Stay in the group and you'll be good."
When you interlock your toes with another person, like hand holding but with feet.
Hey honey, wanna Gripper Lock with me?
Earth grippers are feet
Person 1: put those earth grippers away
When you got to take big dirty nasty smelly corn headed shit in the water pot
I'm about to go to gripper city john to take a big dirty nasty smelly corn headed shit in the water pot
When you're doing doggystyle and spit on both of your index fingers and then proceed to stick them in your partners ears and twist; delivering a potent wet willy and shocking them into tightening their vagina/anus at the last minute before you ejaculate. Similar in function to a donkey punch although less violent.
Best used right before you finish and on considerably dorky individuals.
An alternative method is to use your fingers in a double fish hook technique to use your partners own spit.
That girl Brooke from school is such a dork, she wanted to smash last night so I hit her with the Dorkwad Willy Gripper.