Here's my transcription of The Dubliners' version from the link above. Perhaps one of the Irish contingent can provide the correct Irish for the chorus. I think mine is somewhere near, but it might be nice to have it properly.

Mick

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THE JUICE OF THE BARLEY

In the sweet country Limerick, one cold winter's night
There were bonfires a-blazing when I first saw the light;
And a crazy old midwife gone tipsy with joy
As she danced round the floor with this slip of a boy.

Chorus:
Singing bainne na mbó dos an gamhna (ban-ya na mo dos an gow-na)
And the juice of the barley for me.

Now when I was a young lad, 'bout four years or so,
With me turf and me primmer to school I did go.
To a dirty old cow-shed without any door,
Where lay the school master blind drunk on the floor.

At book-learning I wasn't a genius I'm thinking,
Ah, but soon I could beat the school master at drinking.
Not a wake nor a wedding for nine miles around,
But meself in the corner blind drunk to be found.

Then I met this wee lassie and says I "Me wee pet", (May we pet?)
But the answer she gave me I'll never forget.
Her screechin' and bawlin' was heard on the moon
Saying "Be off to the divil you drunken gossoon".

So I laced up me brogues and I ran like a hound,
Over hedges and ditches me grief for to drown.
But ere I got to the river I found a shebeen
Where I drowned all me grief with one peg of poteen.

Well next Sunday the priest had me read from the altar;
And he said that I'd wind up me days in a halter;
"If you don't mind your way boy the truth I now tell -
That you'll soon dance a jig on the hot stove? of hell". (stones?)

So the very next Sunday my way I did make;
I took a trip to his reverence the pledge for to take.
First I beat on the windows, saw priests in a bunch
Around a great roaring fire drinking tumblers of punch.

Well from that day to this I have rambled alone,
I'm a jack of all trades and a master of none;
With the sky for me roof and the earth for me floor,
And I'll end all my days drinking whiskey galore.


Source: The Dubliners as linked above: Juice Of The Barley - The Dubliners