You can get an idea from this famous recording of Toscanini attacking his double basses. Only goes two minutes. He gets utterly volcanic - Vesuvian, as Morgana so aptly said.
Toscanini DESTROYS a bass section - YouTube
Sorry, it seems I don't know how to post a YT clip, but that search will bring it up.
Toscanini DESTROYS a bass section - YouTube
Sorry, it seems I don't know how to post a YT clip, but that search will bring it up.