T.D. units

The T.D. unit is a standard measurement for smell intensity. The acronym was chosen to be T.D. as its not commonly known as anything else. The measure has typical values from 1 to 5, 1 being a mild stink and 5 a ghastly stench. On the odd occasion a 6 can be recorded but this is often associated with asphyxiation, leading ultimatley to death.

Bob: Hey man keep away from that guy his rocking like 5 T.D. units!

Jim: Nah man i can handle it.........holy shit he stinks!!!!!!!!!! I can't breathe!!!!!!!!!!!!!!!!!!!!!!!

Bob: Dude it must be a 6 then, better get you to a hospital.