This is the 8066th most frequent Portuguese word.
serguei
"Serguei" is not a standard Portuguese word; it is typically used as a proper name.
In this case, 'serguei' seems to be used as a variant or typo of a verb form, possibly adding idiomatic or regional flavor.
Nunca serguei que ele fosse um bom músico.
I never thought that he was a good musician.
Here, 'Serguei' is used as a proper noun, likely referring to someone's name.
Serguei sempre toca violão nas festas.
Serguei always plays guitar at parties.
Here, 'serguei' is used creatively, possibly as a combination of serving milk or doing a task, illustrating flexibility in informal or poetic use.