'cakewalk' definitions:

Definition of 'cakewalk'

(from WordNet)
noun
A strutting dance based on a march; was performed in minstrel shows; originated as a competition among Black dancers to win a cake
noun
An easy accomplishment; "winning the tournament was a cakewalk for him"; "invading Iraq won't be a cakewalk"
verb
Perform the cakewalk dance