"Ugh, I shouldn't have eaten that burrito. It gave me heartburn something awful. I got to go see if any of the cherubs have any antacids. Brrrup. 'scuse me. Wait, hang on, I gotta fart....woo hoo, that one was a howitzer, wasn't it? I gotta lay off the beans."
She does look rather uncomfortable.
When you hear a fart, that means an angel is getting their wings (or a burrito with extra cheese).