第三人称复数：show-offs
show-off
名词炫耀; 卖弄; <口>爱卖弄的人
1. 爱卖弄的人;爱炫耀的人
If you say that someone is a show-off, you are criticizing them for trying to impress people by showing in a very obvious way what they can do or what they own.
noun
1. someone who deliberately behaves in such a way as to attract attention
Synonym: exhibitionist