Erin go bragh. But that's really an Anglicization of it. See the Related Link.
In Irish it's "féinchosaint"
In Irish it is FÉITHLEOG FÍRINNE.
Drinking is part of Irish history and society. The English phrase 'team drink' becomes the Irish phrase 'deoch fhoireann' when translated.
'Thank you' is an English phrase and therefore has no meaning in Irish.
This (is) he/it.
The phrase 'sky blue' would be 'spéirghorm' in Irish.
"Irish twins" isn't a phrase that's from Ireland, it's an offesive phrase used outside Ireland, so there's no equivalent Irish translation. "twins" is "cúpla"
The Irish have been Christian for a very long time, so there is no standard phrase for "god of victory". Obviously you can translate the phrase into Gaelic if you really want to, but what would be the point?
uan Dé
'I will go.'
You drink a lot
is breátha is fearr - (best)