Gucky - Idioms by The Free Dictionary
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slang Slimy and sticky. "Guck" is possibly a portmanteau of "goo" and "muck." Ugh, the gucky stuff they put on you before doing an ultrasound always feels so cold and gross.
mod. thick and sticky; yucky. There is a lot of gucky oil and grease on the garage floor.
References in periodicals archive
They complained and linked health problems to the gucky
orange ooze seeping through the embankment between their backyards and the coke ovens site.
Anyway, the distillerate has a pot still nose, no gucky
caramel like some brandies/cognacs we could name.