Berserk means crazy and out of control.
crazy, wild, mad, frantic
①The dog went berserk when a wasp stung him.
②My husband will go berserk if he finds you here.
③I race into work and the place is berserk
[scode type="green"]big names
A big name is a person who is successful and famous because of their work.
①Are there any big names in the movie?
②He said he would never be intimidated by big names and authorities.
③Filled the pool with champagne and swam with the big names and blew through the money on the boys and the ballet.