Just being polite, that's all.
4 seconds sound clip from the The Quiet Man (1952) movie soundboard.
You can hear this line at 00:12:58 in the Blu-ray version of the movie.
Quote context
[...]
- Over here we pronounce it Co-Han.
- None of that now. None of that!
- It's a bold, sinful man you are.
- Who told you to playing patty fingers in the Holy Water?
- Just being polite, that's all.
- And Mary Kate Danaher dippin' her fingers in as neat as you please.
- What did you say her name was?
[...]