name-dropping
noun [ U ] disapproving uk/ˈneɪmˌdrɒp.ɪŋ/ us/ˈneɪmˌdrɑː.pɪŋ/
提及相识的名人（以抬高身价）
the act of talking about famous people that you have met, often pretending that you know them better than you really do, in order to appear more important and special
Her constant name-dropping is very irritating. 她不停炫耀自己认识的名人，真是让人受不了。