Running up behind a bus and holding on.
Usually in gangs to see who falls off first.
(Not for the weak - falling off face down is not unusual)
Me and the gang went bus surfing last night!
"really? who fell off first?"
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug