D
noun
1
LSD US, 1971.
2
Dilaudid™, a synthetic opiate US, 1954.
3
narcotics US, 1976.
4
used as a term of address, young man to young man. An abbreviation of DUDE US, 1997.
5
a police detective AUSTRALIA, 1882.
6
a (pre-decimalisation, 1971) penny. From Latin denarius, a rough equivalent of an old penny and used in the standard abbreviation for pre-decimal Sterling: £sd or lsd UK, 1387.
7
in poker, the fourth player to the left of the dealer US, 1988.
8
a demilitarised zone. A shortening of DMZ, the official abbreviation US, 1991