What is Substance D?
1.
1. Substance D is a fictional addictive amphetamine-like psychoactive
2. By extension, Substance D can refer to
"What he sold me as '
candy ' actually turned out to be 'Substance D'."
This is a more subtle way to refer to
amphetamine in a conversation if you don't want to attract too much attention.
See
Random Words:
1.
when one instant messages somebody, and unknowing to the other person, begins jerking it in conversation
a man had 15 IM windows open, ..