The minute I saw her smile, I thought, "OPMG ryku r teh mowst hotts0rs womehn evar11!!"

Funniest would have to be the translation errors in FFVII:
Vs the Scorpion Boss: "Attack while its tail's up!" Sure enough, I attacked. At the moment, it angered me to high heaven, but got a good laugh afterwards.

Aeris vs Shinra troops: "This guy are tough!" when there were 2 soldiers.