Whales

How do you get two whales in a car?

Across the Severn Bridge.

Font you!

Three fonts walk into a bar.

Barman says "Oi, get out! We don't want your type in here!"

Fence

What time is it when an elephant sits on your fence?

Time to get a new fence.

Lost

Why did the gorilla get lost in the jungle?

Cos jungle is MMMAAAAAAASSSSSSIIIIIVVVVVVEEEEEEEEEE

Wazzup

This isn't technically a 'joke', as such, but I am finding the varying degree of copycat production quite amusing:

The Original

The Preps

The Kids

Kill. Kill. Kill

How do you kill a circus?

Go for the juggler.

Chk Chk Chk.

Have you heard the joke about Kentucky Freud Chicken?

It's mutha-fucking good!

Double up

What has four legs and says 'Boo'?
A cow with a cold.

What has four legs and says 'Aaaa'?
A sheep with no lips.