The Judge with the Sore Rump

"Serva tibi minas!"*
    To a judge who was seated on high;
As (for some fatal crime)
He devoted some time
    To prepare the poor culprit to die.

"What's that about mine a—e?"
(Says the judge to Aquinas,
    And turned up his rump as he spoke)
"I've a boil on my bum,
Thrice as large as my thumb:
    And see here! —the boil has just broke!"

Says Aquinas — "I find
That your tortures behind,
Are more than you threaten, by far:
So here end your farce,
And take care of your a—e;
And let me get out of the bar."

* "Serva tibi minas": "Keep your threats for yourself" (Tucker).