sustantivo (plural wallies)British informal
- I will retrieve my rusting Raleigh Roadster from under the junk in the garden shed, wire brush it down, oil the chain, don the Lycra, strap on the bedpan helmet and look a complete wally like the rest of them.
- I may have looked a wally charging along wearing a cycling lid and rucksack, but it didn't slow me enough not to catch the villain within a couple of blocks.
- This are arrogant and highly naive comments from an ill-informed wally.
1960s: perhaps a shortened form of the given name Walter. There are many theories of the origin: one story tells of a Wally who became separated from companions at a 1960s pop festival; the name, announced many times over a loudspeaker, was taken up as a chant by the crowd.