Doozy

Alternative forms

 * doozie

Etymology
American, from daisy (the flower), also 18th century and onward English slang for something excellent. May have been influenced by Eleonora Duse, Italian actress.

Noun

 * 1) 🇺🇸 something that is extraordinary.  Often used in the context of troublesome, difficult or problematic, but can be used positively as well.
 * Most of the test was easy, but the last question was a doozy.

Synonyms

 * lulu