Involves the sort of general mischief only possible when every person on the tram has 3mm of personal space.
Includes tapping shoulders and looking away, innappropriate touching, relentless flirting and occasionaly GBH.
(1) Also describes a chance to take advantage of the rush hour to avoid the conducter.
"No worries mate, it's 5:45, we can tram bang it!!!"
(2)"Mate, its rush hour!"
"Sweet, we can go get in a tram bang and pinch some