In 21 savage's song 'bank account' he uses the phase 'M's in my bank account'which is short for millions in my bank account. Infering that he is a millionare and has $8,000,000 in his bank account
Amy: I love being rich Joe: Same, he both have M's in our bank accounts.
Short for Master/slave. An extreme form of D/s relationship where the slave voluntarily gives up all personal freedom to the Master or Mistress (or both).The creation of such a relationship is often marked by the giving and accepting of a collar and sometimes by the signing of pseudo-legal ownership documents.
She asked to be set free from their M/s agreement. He has said she can go as long as she finds him a new slave first.