|I think BM stands for Big Mouth. I don't think Disney would let them get away with Bowel Movement.|
They've gotten away with worse stuff though, but it's been really subtle. Like (I'm to lazy to list them right now), but they've had some references with them looking at each others chests (just trying to keep it clean... okay!). So yeah, it could slide. It was really subtle considering hardly anyone caught it (and got it; lots caught it), though.