cakewalk

n.
Something easily accomplished or won.
From this bit of slang, "piece of cake" evolved.
Originated in the South, from an elaborate walk performed by African-Americans as part of a contest to win a prize cake.
A modern strutting dance goes by this name.

Oh, that bio test? Don't believe the flying rumors; it's a cakewalk

by Gilvus January 02, 2005