What does SER mean?
“Ser” simply means “sir” and is a general term of address used in the crypto space, much like how we use the word “fren” as opposed to “friend.”
gigabrain as always ser pic.twitter.com/EqKEuEMBkG— Dark Crypto Lady 💚 (@DarkCryptoLord) October 29, 2021
It can also be used with a sarcastic and baiting tone.