wacky baccy BrE informal
wacky tobacky AmE informal , also: wacky tabacky AmE informal

'Looks like they go in for the old wacky baccy around here.'

Maybe it was because of the cloud of wacky baccy that still hung in the air, but I doubted it.

Had to sit on a - Oh,' Fergus said, suddenly realising 'You mean the old wacky baccy.'

The EP's title is also a pun on the Welsh Mwg Drwg, meaning "wacky baccy" (slang for cannabis, more literally "bad (or naughty) smoke").

NRBQ - "Wacky Tobacky"

Sally is one of my favorite people, but Sally didn't care a lot about what went in his mouth unless it was inhaled from a bong or rolled in wacky tobacky paper.