i honestly don't know many slang words for it...
... because I'm not cock enough to talk about it in public and only mention it to people who want to smoke it... negating all need for superfluous cyphers
( hubare XBOX Gamer tag: hubare | http://twitter.com/hubare, Wed 31 Oct 2007, 11:07, archived)

although "Tac" is a word not mentioned which referred to solid in Newcastle

( hubare XBOX Gamer tag: hubare | http://twitter.com/hubare, Wed 31 Oct 2007, 11:08, archived)

Magic Tabs
as in "Tac fer sticking in yer Magic Tabs"
(buffet_the_appetite_slayer is watching bargain hunt for red october on, Tue 6 Nov 2007, 23:52, archived)