On the street in Socal it is often used as a substitute for weed, pot, marijuana, bud, dope, herb, etc...
"Lets toke it where that TDK at?"
"shit, is that a quad of TDK?"
tdk-zachary:haha nub! ill kik yo ass anyday
loser24/7:hey dont be meen to bob... im gona report you!!
tdk-seedkiller:we pwn every day and every night so stfu
llamaboy:llamas_4_life :P w00t