doddle
/ˈdɒd(ə)l
/noun [in singular] British informal
A very easy task: this printer’s a doddle to set up and use...
- The public performance part of my job - the workshops and training - is hence a doddle.
- It is a peerless town car, being so quick and nimble, and it's a breeze to park and a doddle to drive in heavy traffic.
- They're easy to use, make cross-platform file swapping a doddle, and they're incredibly convenient.
Origin
1930s: perhaps from dialect doddle 'toddle', of unknown origin.