clap-in-clap-out
A children's parlour game involving clapping, in which one of the boys is called into…A children's parlour game involving clapping, in which one of the boys is called into the room and has to guess which girl chose him.
Meaning
1 senses(uncountable)A children's parlour game involving clapping, in which one of the boys is called into the room and has to guess which girl chose him.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable