I am going to recreate/reinvent myself for the new year

plural of market horse

(horse racing, slang, obsolete) A horse kept in the betting-lists for the sole purpose of being betted against.

plural of mean white

(US, obsolete, ethnic slur, used by black slaves) Synonym of poor white trash (“a white person of low social status”)

(rare) Alternative form of mark my words

A children's drawing toy with a sheet of plastic film laid over waxed paper, allowing pictures to be "drawn" by the pressure of a stylus and then wiped clean by lifting and replacing the sheet.

plural of magic slate

(informal) The psychedelic sclerotia of magic mushrooms.

plural of marriage ring