Ooooh. That might be it. O: Maybe go to the doctore and find out if you have Acid Reflux. I could be totally wrong but its worth checking out xD Especially if you get that acidy feeling a lot.
I don't get it too much,at least not that I know of owo when I eat too much eggs or when I get stressed I also get nasty burps its diffrent from what I have now though ewe I guess I could mention both though to the doctor when I go in for my next check up 3nodding I think I mentioned the other thing to a doctor and they said something but its been awhile and I forgot sweatdrop I need to get something else checked out too when I go get a check up also owo