Translation of "screw" - English-Portuguese dictionary

screw

noun uk /skruː/

a small, pointed piece of metal that you turn round and round to fasten things together

parafuso
have a screw loose

If you say that someone has a screw loose, you mean that they behave in a strange way and seem slightly mentally ill.

ter um parafuso solto, ter um parafuso a menos

(Translation of “screw noun” from the Cambridge English–Portuguese Dictionary © Cambridge University Press)