For most bulls, absolutely nothing.
Red rag to a bull is a myth, as the bull is colour-blind to red. It is the the waving cape that causes the bull to charge.
It makes no difference what the colour of the rag is the bull is enraged and will attack any thing that it can in order to protect it's self, red is just a good colour and it doesn't look as messy when it comes into contact with the bulls bloodied hide.
The bull chases the movement not the colour. The bullfighters cloak is traditionally red to a) hide the blood and b) part of the whole spectacle. But it is the origin of the phrase, "Red rag to a bull"
It means to stop drinking red bull
Maybe you meant Red Bull, because there is no food/drink called red ball. (: Anyway, if you did mean Red Bull, it has 110 calories per can.
Red Rag Top was created on 2002-09-16.
The motto of Red Bull GmbH is 'No Red Bull. No Wings.'.
a target maybe?... or a bull's eye?
Yes, the claim that bull sperm is an ingredient in Red Bull is a hoax. Red Bull does not contain bull sperm as an ingredient.
its simple just add 5
No.
The pH of Red Bull is 3.3.