Definition, synonyms and related words
plural of screw
"The old wooden chair had two missing screws that held the seat in place."
Third-person singular simple present indicative form of screw
"The old machine screws slowly when you turn the handle."
In plain English: To screw means to make something loose by turning it counter-clockwise, but as an insult it means you are being foolish or acting badly.
"He screws in the new lightbulb every time he changes it."