Nappyful

And then, as the final zip on the snow suit goes up, the ghastly smell of yet another nappyful rising to meet me.

Source: wiktionary

Regularity can be pretty erratic too: breastfed babies will usually produce several nappyfuls a day, but they sometimes go for several days or more without doing a poo at all, without it causing a problem.

Source: wiktionary

Darius ignored the strewn magazines, as though they were a friend’s baby sitting bang in the middle of the lounge in a nappyful of shit.

Source: wiktionary