cake walk

noun3

1. •
   A type of dance originating in the United States in the 19th century.
2. •
   Something extremely easy.

   • The three mile run was a cake walk for "Blondy" Romig, of Penn State. — 1922
3. •
   From the mid 1900s, a game at a fair or party in which people walk around a numbered circle along to music. When the music is stopped, the caller draws a number from a jar and whoever is standing on or closest to that number wins a cake.

   • ... each of the marchers took his place beside the number nearest to him. — 1945