Green’s Dictionary of Slang

turd-strangling adj.

also turd-eating

(US/Aus.) a generally derog. adj.

[US]J. Krantz Scruples 295: Those turd-eating Mexican border guards’ll put you away.
[Aus]Bug (Aus.) 1 Oct. [Internet] The two Conservative prime ministers who followed Hawke like proper turd-strangling Tories did not change a comma of the Hawke edict.