Gunna Crab 

Gunna crab used similar to Ligma or Sugma where you are gunna crab (grab) someones nuts.

"Hey man, I was at the beach this weekend and I saw 2 gunna crabs." "What's a gunna crab?" "Gunna crab (grab) these nuts!"

Gunna Crab by Twitch.tv/anklebanger August 25, 2021