Chunka Dunka 

A hench chocolate biscuit that is dunked repeatedly into a large, well brewed cup of tea.

Son of a gun I could do with a chunka dunka right about now!
Could i interest you in a chunka dunka?

Chunka Dunka by 138Hurst October 17, 2011

chunkadunk 

An overly obese person.

A person with a large amount of fat on their body.

"Oh my gosh Michelle, you're larger than life! You're such a chunkadunk!"

chunkadunk by Kain July 1, 2004