Retard Units is an unofficial synonym for "imperial measurements". As the rest of the world use metrics, the internetculture started mocking the medieval traditions of the Americans, and how little sense the usage of imperials pose compared to metrics.
Space begins 100 kilometers from the earth, that's62,14 miles in Retard Units.
Aurelius: Did you take a piss inside Connie's pussy again while having sex with her?
Arlo: Yes, I ungshwunked her. She also ungshwunked me at the same time, so we ungshwunked each other simultaneously.
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.
Used in chatrooms and other text based communication to represent the sound of a person mimicking the bass from a technobeat. Often used in combination with other words that represent vocalized techno sounds.
Verbal mimicking is seen in the movie Mallrats after Brodie scores with Rene in the elevator.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.