The policeman gave him a breath test because he had passed out from alcohol poisoning, but the test was negative. He must have been drinking tertiary alcohol.
Basically, a woman’s asshole or anus may serve to be her third input, or tertiary orifice. A woman, being master of her own body, may deem whatever orifices she has to be primary, secondary or tertiary as she seems fit. For this definition, we have chosen the brown-eye.
“Annabel was both eager and anxious for me to ram my wad into her tertiary orifice. Sod.”