This text comes from The Book of Scottish Song, edited by Alexander Whitelaw, a historical songbook transcribed on Wikisource and reproduced from the pinned revision linked below.
I am a puir silly auld man,
And hirplin' ower a tree;
Yet fain, fain kiss wad I,
Gin the kirk wad let me be.
Gin a' my duds were aff,
And guid haill claes put on,
O, I could kiss a young lass
As weel as ony man.