guck + -y
gucky (comparative guckier, superlative guckiest)
- (slang) Resembling or covered in muck or goo.
2010, Robert Beeman, No More Time for Sorrow, page 133:[…] Category Two implement hitches and doubled high-traction agricultural tires hung four to each massive rear axle to breast the steepest, softest dune or guckiest swamp […]