There are certain soundbites from games that are always popping into my head in every day situations. Im pretty sure this happens to other people too. Its normally one of these:
"Try to take it easy on the car!" from the first Colin McRae rally.
"Thankyou for releasing me" from Spyro the Dragon
"WOAHH! What a maneuver!" from Andretti Racing
and "LISTEN!!" from The Ocarina of time.