A browse on http://www.jacanaent.com/Library/Unusual%20Words/IntWords.htm revealed that Jabberwocky has actually entered the English Language. It can be found on the Free Dictionary and the Urban Dictionary.
It’s even in the online Oxford Dictionary and means a nonsense or meaningless language
The definition varies considerably but the word is there.
Apparently, if you trust Wikipedia, then Lewis Carroll is responsible for ‘chortled’ too.