During a trip to the UK, I compiled a list of vocabulary that sounds "British" to American me.
at the weekend
biscuits = cookies
brilliant
bullocks
can't be bothered
chap
cheeky
cheers
chips = fries
crisps = chips
crowd = audience
dodgy
fit
flat
hoover
kit
lift
loo
match = game
mate
on holiday
pissed
proper
queue
quid
reckon
rubbish
straight away
tele
voucher = coupon
WC
whilst
wonky