Here's mine Tilly:
“what have the Romans ever done for us?” – Life of Brian
"you always were a cunning linguist James" – Money penny to James in TWINE
"Nice night for a walk" - Terminator
"These are not the droids you are looking for.." – Star Wars episode IV
"What we've got here is failure to communicate" – Coo Hand luke
“Houston, we have a problem...." – Apollo 13
In 1980 a junior doctor said to me at change over
" what's on ITU?" and I replied:
"An ITU is a big room in a hospital where the doctors and nurses work terribly hard to cure very sick patients!"
and he said'oh well we dont have one in this hospital then do we?'
[ but I only say that now as it was 40 y ago and how things have changed...]