Strange popping coming from my girl

[VigdisXX]

So i had my girl out just now, she just ate about 3-4 days ago. I noticed this weird popping sound and feel... I made sure it wasnt her breathing and i noticed it was... Inside her? I ran my fingers down her body and around the last 3/4 i felt and heard the pop. It sounds almost like how a humans joints pop... Any thoughts?

[Sonny1318]

I know sometimes you can feel their spines pop when your are handling them. Never really noticed it being very audible though.