KGT p. 21: The distinctive pronunciations of the Krotmag dialect are surely responsible for some slang and idiomatic usages in Klingon in general. For example, a chab chu' (literally "new pie") is another way to say "new invention" or "latest innovation." This is no doubt because the Krotmag pronunciation of chab ("pie") is cham, the same as the word for "technology."

qepHom 2015: chabHom is fine as a general term for a cookie (food). A bIQyIn is a specific type of chabHom that's sort of two chabHommey stuck together. They're on top of each other, like a sandwich.

Cake is not in the official definition, but is covered by this word. Some people might call a cake a chab wIbHa' "sweet pie".