Almost right - back to first verse
"I loved your wee song, sure it made me sound great,
but the a few little things that I'd like to put straight.
You subtracted the years on my gravestone all wrong
I was 39 not 19 like you sang in your song"

otherwise spot on!!
some versions say "you'd swallow a brick" (rather than thick as a brick)
also "this is me, Davie Arthur behind th