When a woman bleeds from her vagina for 4 - 7 days and is usually pretty irritable because she has to either shove a stick up there or wear a mattress between her legs until she is DONE menstruating- also she has a bunch of extra hormones so BACK OFF.
A whore who is menstruating. Stay clear or else. Then again the fact you called her this is going to get you in trouble anyways
ex. Brittney Spearson the rag
Girl: Where did you put my tampons?
Guy: I don't know look for them yourself!
Girl: I'm going to bleed all over you if you don't help me
Guy: Shutup you menstruating whore!
A phrase to describe a large amount of blood, paint, tomato juice, originally coined in the 60s to describe the tomatoe orgy popular in The Village in NY, now used by reporters inveigled by the Thai red shirts.
All these Thai red shirt rioters with their paint, and OMG blood, it's like a menstruating whale snatch, yeah!