This is the 7454th most frequent Turkish word.
guguk
"Cuckoo" (a type of bird).
In this sentence, 'guguk' refers to the name of the bird species, namely the 'cuckoo.'
Bir guguk kuşu bahçede ötüyordu.
A cuckoo bird was singing in the garden.
In this context, 'guguk' mimics the sound of a cuckoo bird, used jovially as an exclamation.
Ahmet garip bir ses çıkararak güldü: 'Guguk!'
Ahmet laughed and made a strange sound: 'Guguk!'
Here, 'guguk' is used to describe the clock that features a cuckoo mechanism, commonly known as a cuckoo clock.