It was not me. No one else lives here.

uh oh

and I just checked it against a bottle that's still sealed and it's about an inch lower. I think someone at the store took a swig from it and put it back on the shelf. Ick.

ewww. I'd take it back.

I would, but (a) I don't have the receipt anymore, and ( I have no way of proving I didn't do it myself

aww

Call them up, tell them, and if they won't do anything, talk to the store manager. I worked at a grocery store once, and they fired 15 people in one day for doing that.

wow