매우 뛰어나거나 눈에 띄는 사람 또는 사물
An outstanding, remarkable, or extreme example of a particular type of person or thing.
예문:
"The mistake he made on the report was a real lulu, costing the company thousands."
"If you're looking for a powerful engine, this new model is an absolute lulu."
"She wore a lulu of a hat to the wedding that everyone couldn't stop talking about."