You know I'm a bus driver. Some times ago I was arriving at the terminus of my line, I turned my head back and see the bus was empty, then I powered on the internal loud speaker system, took the microphone and...

 [size=24:601f1862ad]"BURP!"[/size:601f1862ad]

an unreal belch (Just to see what's the effect...   )

Satisfied, I continued happily, when,  nearly the next bus-stop : "DING!", (someone had rang the bell to book the request stop)... An old (hidden) lady goes down... She said nothing  :poor:  :poor:  :poor: .

A collegue of mine tested the "rear variant" (without mirophone...). The two girls he didn't saw began to ROTFL until they went down...

    

Ahhhh yes... the things we do when we think we are alone  

I live by myself at the moment and I am always thankful my Cat can't tell people what he sees