There are numerous meanings for this word.
They are all similar, parallel and fun.
It can be found in lots of different dictionaries.
That’s the beauty of language, especially English which is the bastard stepchild of every known language; indeed some say English isn’t a language at all, but a patois, or some other type of jumble of words and syntax.
In this case the word apparently is Dutch in origin and is a parody on the Latin verb “to crow”.
Churchill used it so it must also be English.
And Carson used it (the Butler, Carson).
For the few of anyone reading this who don’t already know about this word, look it up in The Urban Dictionary.
See if you can think of anyone you know who is a cockalorum.