Definition of guck in English: guck
noun mass noun North American informal A slimy, dirty, or otherwise unpleasant substance.
‘he got mud and cow guck all over his white jersey’
More example sentences
‘The dishwasher fired the guck with a kiln like precision into something that could last for weeks.’ ‘It'll spray you with diesel oil and then sit there laughing while you run off trying to figure out how to get all that guck off yourself.’ ‘It was easy to get away from him now, and when I saw his face with that creamy guck stuck to it I forgot about being scared and wanted to laugh.’ ‘I didn't want any of the guck to dry on my clothes.’ ‘Run the air-conditioner, that can filter some of that guck out - that's a scientific term.’ ‘The strips gave me what seemed to be amazing initial results, but they pulled out less and less guck with repeated use.’ ‘The monster was panting, or whimpering or something, and the yellow guck was still spouting out of its severed limbs.’ ‘They talked all the way back past the river of guck and back to their car.’ Synonyms
mud , muck, mire, ooze, silt, alluvium, dirt, slime, slush, slurry
View synonyms Origin 1950s: possibly a blend of goo and muck.