It's like waving a red flag in front of a bull. (remonline.com)
«He was always one of those guys who if you said to him, «No, you can't do it that way,» it was like waving a red flag in front of a bull,» says Vern Raburn, founder of jet manufacturer Eclipse Aviation in Albuquerque, who has known Rutan for a decade. (inc.com)
is like waving the proverbial red flag in front of a bull. (canadianbusiness.com)