His last offence was 1986!
So far I have nothing better than the obvious Knockout/Cock out rhyme.
And, since we this far have no evidence that he actually did get his cock out, that doesn't really work.
Most disappointing.
His last offence was 1986!
THEIRS DIRTY PEEDOES EVRYWEAR!
Or, if it's *****s 'creeps suzette' perhaps? Ahaha.
Because, as you've already identified, the punning potential is tiny