noun
plural screws
[count] a narrow, pointed metal cylinder that has a wide flat or rounded top and a ridge (called a thread) that goes around it in a spiral
A screw is used to hold things together or to attach things. It is inserted into wood, metal, etc., by being turned.
an object that has a thread like a screw which is used to attach or connect it to something - usually used before another noun
informal + offensive
an act of sexual intercourse
a sexual partner
slang :a prison guard
have a screw loose
or have a loose screw
informal :to be crazy
put the screws on/to (someone or something)
informal :to use force or the threat of force to make (someone or something) do what you want
tighten the screws
informal :to put more pressure on someone or something to do something
verb
screws; screwed; screwing
always followed by an adverb or preposition [+ obj] :to attach (something) with a screw
always followed by an adverb or preposition
[+ obj] :to turn (something) so that it attaches or connects to something
[no obj] :to fit onto or into something by being turned
informal + offensive
[no obj] :to have sex
[+ obj] :to have sex with (someone)
[+ obj] informal
to take something from (someone) by lying or breaking a rule
to prevent (someone) from having or getting something that is deserved or expected
[+ obj] informal + impolite - used to express anger, disgust, etc.
[+ obj] :to press or squeeze (something) so that it is no longer flat or smooth - often + up
have/get your head screwed on right/straight
screw around
[phrasal verb] chiefly US informal
to do things that are not useful or serious :to waste time
to have sex with someone who is not your husband, wife, or regular partner
to use or do something in a way that is not very serious
screw around with (something) :to handle or play with (something) in a careless or foolish way
screw up
[phrasal verb] informal
to make a mistake :to do something incorrectly
b screw (something) up or screw up (something) :to make a mistake in (something)
screw (something) up or screw up (something) :to damage or ruin (something)
screw (someone) up or screw up (someone) :to make (someone) very upset and unhappy for a long time
screw (something) up or screw up (something) :to tighten the muscles of (your face or eyes)
screw up the/your courage :to make yourself brave enough to do something difficult