Snough

"Of a sneeze?" Callie asked, her grinning face appearing in the doorway. "You almost died of a sneeze?" "It was a cough too," Gary explained. "A 'snough' Terrible thing," he muttered, shaking his head and attempting a dignified exit […]

I inhaled sharply, and got coffee instead of air, which my body expelled with a painful snough (sneeze-cough). Worse, I spilled coffee down the front of my — er, his — snowy-white shirt.

GT Ninety-Nine seemed rather engrossed in his entertainment, and was blissfully unaware of the animal's presence until Fatticus announced himself with a 'snough', his curious combination of a sneeze and a cough.