"Mommy, are we gonna die?" "No, honey, they are. Should we get a puppy?"
"You're going to die screaming. And I'm gonna watch." And then later: "Die screaming, motherfucker."
Lots of classic one liners, most of them delivered by Samuel L. Jackson.
An amnesiac Samantha Cain has rediscovered something about herself (the fact that she can chop veggies like a pro) and is in the middle of a nice moment of family bonding. Then she balances the knife pointy end down on one finger, tosses a tomato into the air and pins it to the cupboard. Her family looks about as shocked as she is, and all she can say is "Chefs do that."
The previously mentioned Gun Fu at the end of the movie - using an Uzi-carrying corpse as a pulley to get to said Uzi and to shoot up a helicopter hovering 50 feet above. Followed by sliding down a separate string of Christmas lights and breaking the bulbs on the way down to soften the fall.
Charly takes out a carload of bad guys while ice skating across a frozen lake.