Noun
It is a vulgar word which can be directly translated to mean pussy. (woman’s external genital organs)
The word is considered vulgar and you should avoid using it.
Wait a minute, did @BarryBateman just call @Julius_S_Malema a poes there at the end of this clip? Am I reading his lips wrong? https://t.co/DaNc4c6sFQ
— Sizwe Dhlomo (@SizweDhlomo) September 10, 2019
Depending on the context this word could also mean:
He is behaving like a poes : The person is behaving in an unreasonable or uncouth manner.
He is poes/Jy is n poes: He is a weak person with no courage.