The word "cuckoo" refers to a kind of bird that lays its eggs in the nests of other birds. It can also be used to describe someone a little crazy or strange. Full definition
One day, this obsession took me on a hunt for cuckoo clock fabric. (bygumbygolly.com)
If your date is someone who goes cuckoo for canines, then you're in luck because the annual Westminster Dog Show happens THIS week in NYC. (topromp.com)
It makes a great gift for clock lovers and fans of cuckoo clocks. (geekwrapped.com)