"Im gonnae tan the windae", ned no2 then says "dinnae think of the weans", at which point ned no1 launches a massif greener out his mouth onto the roof of my car!

I was walking towards the car at this point, flashed the alarm and they walked off mumbling something at me.
Is this what I have to look forward to!? Anyone else had any similar experiences? Other than that had nothing but good reactions etc but it worries me for leaving it anywhere!
JJ