1. A Taoiseach is:
the prime minister

2. "Where's the craic?" means
You're looking for a good time.

3. If you're meeting some Irish friends at half-six, you should show up at
6:30

4. If you called someone in Ireland thick, you'd be referring to their
Intellect

5. If you call something dear, you consider it
Expensive

6. Changing the nappy on a snapper means
Changing the diaper on a baby

7. Having a run-in with the gardai means you've
Had dealings with the police

8. If you were served rashers, they'd most likely be accompanied by
Eggs

9. A trip to the Gaeltacht involves
visiting the Gaelic-speaking areas in the West of Ireland

10. A pejorative term for an Irish person with annoyingly English affectations or allegiances:
West Brit