Definition, synonyms and related words
plural of suck
"The nurse placed two large rubber sucks on the newborn's ears to help them pop back into place."
Third-person singular simple present indicative form of suck
"The vacuum sucks up all the dust from the carpet."
In plain English: Sucks means something is really bad, annoying, or disappointing.
"The new battery in my phone sucks, so I had to buy another one quickly."