Tasha K

The blogger Cardi B is suing -- over some wild allegations -- just got served in a heated exchange with the process server ... one that included an apparent threat of gunfire. We broke the story ... Cardi's going after Tasha K for claiming the rapper's a drug-using prostitute with herpes. Cardi's…

Cardi B is suing bloggers for making some outrageous claims -- including saying Cardi's a prostitute who has herpes. Cardi filed the lawsuit against Tasha K -- who has a blog called unWinewithTashaK. She's pissed about 23 videos Tasha's posted over the last 14 months. According to the suit, Tasha…