Blood Party is when you are on ecstasy and a girl menstruates on you.
"Hey did you guys end up going to that blood party last night? I was tripping balls on that X and I still have the taste of period in my mouth. Delicious."
When something is pure awesomeness. Normally used to describe the person being awesome or the event he/she is being awesome at.
1.girl: Yo did you see j.damps walking out with another chicks pants?
Guy: ya man, she was totally blood in the tits.
2.guy1: Yo last nights concert was f*****g amazing.
Guy2: ya man it was blood in the tits!