Duke Nukem:
Your face. Your ass. What's the difference?

Duke Nukem:
What are you waiting for? Christmas?

Duke Nukem:
It's time to kick ass and chew bubble gum. But I'm all out of gum.

Duke Nukem:
You are an inspiration for birth control.

Duke Nukem:
Shit Happens...

Duke Nukem:
Those alien bastards are gonna pay for shooting up my ride!

Duke Nukem:
Groovy!

Duke Nukem:
Uh, Uh, Uh. Where is it?

Duke Nukem:
I'm going to rip off your head and shit down your neck (after killing boss does just that)

Duke Nukem:
Nobody steals our chicks... and lives!