A popular name for the male phallus, brought back into the spotlight by erectile enthusiasts, Numan.com with their tv advert entitled 'call it what you will', declared the 'best ever advert' by the flaccid men of Twitter.
1: Yo check outthis cool dong! shows weed pipe
2: Hey that's not a penis! Or wait, is it?
1: It can be if you're brave... and it smokes weed. Two in one!
A device that makes a "dong" noise and once you hear the noise, every school in a kilometre radius explodes. It is otherwise used as a pedophile alarm system and all pedos will hear this alarm.
Person 1:"did you hear about that massive dongincident that killed 1000's of kids?"
Person 2:"An explosion killed 1000 kids?"
Person 1:"I heard also that someone rang a dong and all the pedos invaded his house."