Pauline farted loudly because she was trying out a pair of jeans in an apartment in New Donk City, pulling it up for then she sniffed the air, sticking her tongue out while continuing to fart out more tuba poots that puffed up her smelly pants, with her enjoying the stinky sensation she was doing to herself with her brapping blaster since it was clear that she was going to likely leave a staining smear on the clothing with how thunderous her tooter was being. "Mmm, that stinks like bananas; I should definitely try these later on when I got more gas in the tank...~!"