Dimension Jokes

The Eejanaika roller coaster in Japan holds the Guinness Book record for the most inversions in a roller coaster, at 14. The ride is also a "4th dimension" coaster.

"4th dimension" refers to a design in which the seats can rotate 360 degrees in a controlled spin and is also used to describe the direction your lunch will go in after the ride.

Knock Knock
Who's there?
Dimension!
Dimension who?
Dimension it!

Knock Knock
Who's there!
Dimension!
Dimension who?
Dimension it!