This one is really tough for a number of reasons.
1, that I rarely watch films so the number I have to choose from is rather limited and 2, I have an awful memory for film lines. So I'll pick my favourite line from the most recent film I watched, Finding Nemo, with my future flatmates. We decided to have a movie night instead of going to the last day of term event at the union. Hard core!
'Heeeey Mr Grumpy Gills...'
I love love love Dory, she is such a babe. So clueless and ditzy,she makes me smile. It had to be a Dory line.