We're all just a little bit Irish on St. Patrick's Day, so impress your friends over your corned beef dinner or pint of green beer by dropping these traditional Irish words into your conversation.
Most importantly, try speaking with a thick brogue when pronouncing these words -- that's an Irish (or any thick regional) accent.
If you're the type to spin a yarn after a couple of pints, consider this list of supernatural creatures from Irish stories compiled by Dictionary.com.