How did Germany take over Poland? 
They marched in backwards and Poland thought they were leaving.

How do you sink a Polock submarine?
Knock on the hatch.

Why did the Romans build straight roads?
So the Polocks couldn't make corner shops

How do you get a one arm Pollack out of a tree? 
Wave.

What is the anatomy of a Polish tank?
One speed forward, two speeds backward.

What happened to the Polocks snow tires? 
They melted

How does a Pollock steal a bike? 
Picks it up and runs.