Delta Nine

Street slang for marijuana derived from its full chemical name, Delta-9 Tetrahyracannabinol. (See THC)

This Delta Nine is dank, y'know?

by Rellek April 25, 2003

delta niner

someone who smokes marijuana, weed, pot, etc. comes from the word "Delta-9-tetrahydro cannabinol", which is one of the main substences found in cannabis

that kid there's one hella delta niner, he be smokin all day long.

by guns1inger2 April 12, 2007

Nine-Delt Night

A particular sexual escapade involving one male and three females belonging to the Tri-Delta sorority.

"Dude, I totally had a Nine-Delt Night last night!"
"Dude, that's awesome! Me too!"
"So did Joey!"

by Jacobo Arbenz December 6, 2007