Definition of guck in English:

guck

noun

mass nounNorth American
informal
  • A slimy, dirty, or otherwise unpleasant substance.

    ‘he got mud and cow guck all over his white jersey’
    • ‘I didn't want any of the guck to dry on my clothes.’
    • ‘They talked all the way back past the river of guck and back to their car.’
    • ‘Run the air-conditioner, that can filter some of that guck out - that's a scientific term.’
    • ‘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.’
    • ‘The monster was panting, or whimpering or something, and the yellow guck was still spouting out of its severed limbs.’
    • ‘The strips gave me what seemed to be amazing initial results, but they pulled out less and less guck with repeated use.’
    • ‘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.’
    • ‘The dishwasher fired the guck with a kiln like precision into something that could last for weeks.’
    mud, muck, mire, ooze, silt, alluvium, dirt, slime, slush, slurry
    View synonyms

Origin

1950s: possibly a blend of goo and muck.

Pronunciation

guck

/ɡʌk/