Have you?....

[Sharon]

nope... nearly dropped my umbrella but i ALWAYS DOUBLE TRIPLE check although i nearly lost my keys today!

[Stephen]

i left my hat on a train once when i was 5

[Rozi]

Left my oyster-card on it once
I was sad cause it had my rail card and loads of like cinema tickets in it too

[Niall!]

Left my P.E. gear on the bus so much I just didn't bother brining it in.

Sometimes it was on purpose because we were playing hockey

[Catzsy]

Haven't left anything on a bus but I have got into the wrong car once. My Dad was parked up the road but I saw a similar car and just got in it. The guy looked like he was going to have a heart attack!

[buttons]

bus cards, a mobile, money, keys, a bottle of sourz and my shoes
i lose everything

[dbgtz]

I lost my wallet with lots of money in it... in France.

[rokgal]

bus cards, a mobile, money, keys, a bottle of sourz and my shoes
i lose everything

actually i loose more considering i lost my phone on the bus ive dropwed my phone 7 times this week and on newyears day i dropped my phone in coke im clubzyer and loose alot.

ive lost my phone for 6months x2

[Deak]

The only thing that i can think of is leaving my return ticket to get home on the bus...

[rifleboyaka]

Nope, I never left anything on the bus or car