Snatch/Funny

Various, but special mention to the scene with three parallel cars (Avi/Tony transporting Boris in the trunk, Turkish and Tommy, and Sol, Vinnie and Tyrone dealing with replica guns)
This scene, particularly the take where the guy fires the replica gun, blowing up windows and deafening the people inside the car.
Three men arguing over how to get rid of a body. "I create the bodies! I don't erase the bodies!" That little grace note of comic genius, though, is the fact that the entire scene is shot from the body's point of view.

Tyrone: I didn't see it there.
Vinny: It's a four ton truck, Tyrone. It's not as if it's a bag of fucking peanuts, is it?
Tyrone: It was a funny angle.
[All three turn and look back at the truck]
Vinny: It's behind you, Tyrone. Whenever you reverse, things come from behind you.

Brick Top deciding that two of his henchmen have outlived their usefulness:

Brick Top: Pull your tongue out of my arsehole, Gary. Dogs do that. You're not a dog are ya Gary?
Gary: No, no I'm not.
Brick Top: However, you do have all the characteristics of a dog, Gary... All except loyalty.
(Errol, another henchman, zaps Gary in the side with a stun gun, while Liam pulls a plastic bag over his head)
Turkish: (narrating) It's rumored that Brick Top's favorite means of dispatch involves a stun gun, a plastic bag, a roll of tape, and a pack of hungry pigs.
(Brick Top eyes Liam, and strolls casually past him.)
Brick Top: You're a ruthless little cunt, Liam, I'll give you that... but I've got no time for grassers.
(Behind him, Errol pulls a plastic bag over Liam's head, and drags him to the ground in a suffocated heap.)
Brick Top: Feed 'em to the pigs, Errol.
(He turns to face the boxers in the ring, who are staring at him in abject horror)
Brick Top: What the fuck are you two looking at?

Doug coming across some teenage boys smoking outside his shop. In full Orthodox Jewish clothing.

Doug: What are you doin' here?
Youth: (spits) It's a free country, innit?
Doug: Well it ain't a free shop, is it? So fuck off!

Tommy chasing the dog at the end.
Tommy's namesake.
Boris refusing to die. Particularly after the three-way standoff.
It's probably in the delivery, but this just sticks in my head and makes me giggle a lot.

Tommy: Sorry, Mickey. Just give us our money back, and you can keep the caravan.
Mickey: Why dah fahk dah ah want a caravan dats gat no fahkin' wheels?

- In context, Mickey sold the caravan (trailer home) to Tommy and Gorgeous, only for the wheels to fall off as they attempt to drive it away.
Avi, in general. Special mention goes to how he handles the three-way standoff:

Vinny: Gimme the case!
Avi: ...Fuck you. (clings to it) Shoot me.

- And then Boris enters, demanding the case:

Avi: Y'know what? Fuck you too!

"Why do they call him the Bullet Dodger?" "...because he dodges bullets, Avi."
Cousin Avi arrives in the UK:

Doug: Avi!
Cousin Avi: Sit down and shut up you big bald fuck!

Cousin Avi leaves the UK:

Customs official: Anything to declare?
Avi: Yeah; don't go to England.