oh man are you ready...

dd=double d=doodoo=schwag/dirt weed
"man,im tired of smokin this double d."

flanders=twitch(origin-theres this crackhead in my hood that looks like ned flanders from the simpsons and always twitches.sometimes even pulls double and triple twitches at a time)
"damn g,you doing flanders off the double d."

h2o=dro(sometimes use drizzle)
"yo what we burnin,some h2o?"

jungle it=to roll the blunt so tight you have trouble pulling(origin-some kid i knew back in the day used to roll the blunt too tight sometimes we would have trouble pulling.one day we seen him rockin these pajama pants that looked like some jungle gear and dubbed him jungle.
"dont jungle the blunt again,last time i had trouble pulling."

the kong=my homemade 2 liter soda bottle bong
"what are we smokin outta,a spliff or the kong?."

slobbered=to get spit on the end of the blunt/spliff
"ok,who slobbered the L?."(side note-can anyone explain to me why they call a blunt an L?,i never quite understood that one.

done with the dunn=to be super high(origin-knew this kid named dunn that would be mad high off about 2-3 pulls)
"damn dont tell me?,you done with the dunn off the double d?

doing the professor=to stare at the blunt as it is being passed to each person(origin-my brother did this and one time even stared at me put the blunt out on the wall and he had a stance like a college professor)aka fiend
"yo stop doing the professor,relax,you gonna get your turn."

thats all i can think of right now.if i think of anymore ill post them later.