I Cant remember what this one word is...?

It starts with an M and its a synonym for gross, disturbing, etc. (like in a blood and guts way.) i was talking to my friend who has a red black and white panda and I said it was a bloody panda and he said "thats really M..... But i cant remember that word! 10 points to the first person who gets it right... Oh and its like... A word that people with an extensive vocabulary often use to discribe things like that.