Really like a fat baby.
"Cuckoo quack" is the content of the cross talk "Tie the Doll" performed by Deyun Club. Crosstalk actor Zhou Jiuliang learned the duck call during the performance and said "Cuckoo quack, it really looks like a fat doll" ".
The line "Gu Gu Gaga" comes from the cross talk "Tie the Doll". It is a cross talk drama performed in dialects and a mixture of drama and cross talk, performing various styles of cross talk for the audience.