Dipping one or both testicles into your girlfriend's vagina while she's on her period resulting in said balls getting covered in blood so they look like big red raisins or Craisins.
Person 1: Damn Nig, these are some crazy ass raisins!
Person 2: I hear' what you said...
Person 1: craisins NIGGA!
Person 2: Yaheard, you bitch ass muhfucka... Damn Chinks!