Deciphering James Joyce-What Does This Mean?

[ralph124c]

We all know that Joyce went out of his way to make obscure puns and sayings.
anyway, I came a cross this sentence once, and never remember hearing a good explanation of it:
"Jenghis is ghoon for you"
Any takers?

[Peter Morris]

http://4.bp.blogspot.com/_eIgps4T8Z_...-R/Guiness.jpg

http://www.theoldenglishpub.ca/beerl...ss_is_good.jpg

http://www.lepeintrewalje.be/Dessins...%20you%20!.jpg

http://cache.graphicslib.viator.com/...16-770tall.jpg

[infinitii]

I can't claim to 'get' James Joyce, but with the above poster's help, I found this, which seems to be of help:

http://hjs.ff.cuni.cz/archives/v11_1...p?essay=dannen

[Jas09]

Right, it's a pun on "Guiness is good for you" with the replacement of Jenghis Khan being a goon.