...is sitting on...

[PhilibusterBeetle]

...the yard, which is sitting on...

 

[Smiddle]

...Soviet Russia, which is sitting on...

 

[Garlic Man]

...the northeastern plate, which is sitting on...

 

[reecer6]

The north pole, which is sitting on...
(Can someone post a picture of the stack so far?

 

[Garlic Man]

...a big chunk of ice, which is sitting on...

 

[ParaBob-omb]

8-bit who is sitting on...

 

[reecer6]

16-bit which is sitting on...

 

[Garlic Man]

...64-Bit

, which is sitting on...

 

[PaperStriker]

...a thought which is sitting on...

 

[Garlic Man]

...a dream, which is sitting on...

 

[PaperStriker]

...a litre of oil, which is sitting on...

 

[Garlic Man]

...a gallon of vomit, which is sitting on...

 

[Tweester]

....a pizza topped with marshmallows, which is sitting on....