It can mean several things, depending on whether it is meant literally or as an idiom. Literally, it would mean that the tip of something is red-hot, or glowing with heat. As an idiom, a "tip" is information that can be used in a situation, so a "red-hot" one would be something that is especially important at the moment, something timely and greatly useful.
The expression "tip of the iceberg "comes from a guy named Michael Vornado. He made this expression up because he said "the tip of the iceberg is always where you want to be not the bottom of the iceberg."
Heat the tip with a propane or MAP gas torch until it is red hot. Quench it in cold water.
Our team is red hot Our team is red hot R-E-D H-O-T Red hot red hot red hot Yeah!
Red hot
"Red Tape" is not red, or even tape - it is a colloquial expression meaning "sluggish, plodding bureaucracy". To repeat: It is just an expression - it has nothing to do with "tape", red or otherwise.
An equation states that an expression is equal to either a number or another expression.The 'equals' sign ( = ) is the tip-off that you have an equation.
hot,cold and when you bite it
lips and beaks
Try sticking a fork through it. If the tip is hot, it's done.
Red is considered a hot colour because the hot embers of a fire glow red.
Willy - 1954 Papa's Hot Tip 1-30 was released on: USA: 14 April 1955