whatshisname
noun [singular] (informal)used to refer to a man whose name you cannot remember, do not know or do not wish to use 曾经是指一个名字你不记得，不知道或不想使用的人 She married whatshisname at number 77. 她在77号结婚了。 That's old whatshisface who used to play for Arsenal. 那是曾经为阿森纳效力的老面孔。