When Irish eyes are smiling,
Sure, 'tis like the morn in Spring.
In the lilt of Irish laughter
You can hear the angels sing.
When Irish hearts are happy,
All the world seems bright and gay.
And when Irish eyes are smiling,
Sure, they steal your heart away.

Commission from the lovely nut-case
Original at FA: https://www.furaffinity.net/view/15614013/

Cute chibi Mac smiling at you with his eyes, just makes you want to *squeee* so bad ~ <3