Gigglegrass
Gigglegrass is a substance which, when smoked, will induce a general sense of happiness, frivolity and merriment. Giggling is a side-effect of this mood. While normally reserved for the upper echelons of grass quality,
Girl A: What are those silly boys up to?
Girl B: Oh, well you know, someone's been into the gigglegrass a bit!
Girl A: Oh, susan!
Girl B: Oh, well you know, someone's been into the gigglegrass a bit!
Girl A: Oh, susan!