The most common and most likely answer to this crossword clue is the 7 letter word SLAINTE
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More clues leading to the result SLAINTE
- Irish toast is not commonly seen in odd spots in Selsey
- Ale isn't bad for your health!
- Toast entails being relaxed
- Kerry’s good health entails exercising
- Good health entails exercises
- Cheers for favoured among list of candidates
- Abuse on tour of Northern Ireland turning to cheers for The Dubliners
- Prelude to downing of Guinness entails getting tipsy?
Buddy explains!

The straight part
We know that "Prelude to downing of Guinness" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case prelude to downing of guinness = slainte.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.