Extremely pungent and distasteful odor. Often bringing about tears and a gagging reflex. If exposed to such an odor for more than 20 seconds, the individual might even hurl.
The quality of an experience being atypical compared to other similar situations experienced by others.
Liam: "I went to the dentist to get my tooth pulled, and the numbing drugs got me really high for some reason"
Toby: "Wow, you had an audentious experience!"