I brought up some blood after my tonsil operation, that was because while their cutting stuff in your mouth they have no control (well not very good control) over where the blood goes and it goes into your stomach and settles, if you try to put anything in your stomach it all comes back up, I had tried some jelly and ice cream and couldnt eat it ended up bringing it up.
Anesthisia 0wnz everybody!
I also had my tongue-tie cut during that operation, and the first thing I did when I came around was poke my tongue out, for the first time in 14 years I could poke my tongue out, I was so happy!