This is the 11274th most frequent Portuguese word.
mexe
"Mexe" means "moves" or "stirs" in English.
Here 'mexe' means 'uses' or 'operates', referring to manipulating or interacting with the computer.
Ele mexe no computador todos os dias.
He uses the computer every day.
In this context, 'mexa' is a subjunctive form of 'mexe', meaning 'do not touch', used to give instructions or warnings.
Não mexa nas minhas coisas, por favor.
Please, do not touch my things.
Here 'mexe' expresses a figurative effect, meaning 'moves' or 'affects' emotionally.