I just experienced severe pain in my behind feeling like it was attacking the muscle (massage or pressure points) then went deaf and about passed out?

Need to be examined: Although pain itself can cause fainting, your symptoms require further investigation. Did you have any recent trauma(regardless of the nature) involving your behind? Do you have any diarrhea? Do you have any urge to go but nothing is coming out? But most importantly you need to complete his good let me nation involving the anal area. This might reveal why you had to pain.