Carsuffogas
When it's too cold to open the car windows but you or someone else has farted enough to fill the space with toxic fumes.
"I nearly died of carsuffogas! Mom was too cold to roll down the window but her farts were deadly!"
"Don't eat bean burritos in winter on a road trip! I nearly killed myself with carsuffogas!"
"Don't eat bean burritos in winter on a road trip! I nearly killed myself with carsuffogas!"