1. draws in air, liquid, or other substance through the mouth
Usage: third person singular present of ‘suck’
2. is very bad or unpleasant
Usage: slang; informal

Examples

• She sucks the juice through a straw.
• The vacuum cleaner sucks up all the dirt.
• This movie really sucks.
• It sucks that we have to work late tonight.
• The baby sucks on her thumb.
• My computer sucks – it’s so slow.