
By that standard,
Penny is cuckoo for Cocoa Puffs.
The Big Bang Theory Season 4, Episode 9

Popular choices include tea,
coffee, COCOA.
The Big Bang Theory Season 2, Episode 13

Here's your COCOA.
The Big Bang Theory Season 5, Episode 11

Outside? I just made COCOA.
The Big Bang Theory Season 2, Episode 14

It's indigenous to Brazil, as is the COCOA
bean from which we get chocolate.
The Big Bang Theory Season 2, Episode 13