wally
n. countable C1 Advanced US //ˈweɪɫi// UK //wˈɒli// wal·ly
n. a silly or foolish person. You use this word in a lighthearted way to tease someone who has made a small mistake.
n. a foolish or inept person. Primarily British in usage, it carries a mild, often affectionate tone of mockery rather than severe criticism.
I felt like a total wally when I forgot my keys.
Don't be such a wally; you're wearing your sweater inside out.
Usage
Commonly used in the phrase 'a bit of a wally' or 'a total wally'.