1. plural of guck; sticky, slimy, or messy substance of unspecified nature
Usage: informal; usually uncountable but pluralized in this form

1. third-person singular present tense of guck; to cover or soil with sticky or messy substance
Usage: informal; transitive

Examples

• The mechanic's hands were covered in all sorts of gucks from working on the engine.
• Don't let the mud gucks up your new shoes.
• The drain was clogged with gucks and debris.
• She gucks up her hair with too much product.
• The old machinery was covered in gucks and rust.