it means "obscene"
The phrase pop off means to go away.
laugh my a** off
disgressing
it means they are clueless and are not feeling well
Readily availavble knowledge. As in "I don't know off hand."
The phrase 'give off light' means to have a lot of light.
To bring to an end or complete a task.
"Red" on its own is not a phrase. A phrase is more like a sentence, or a group of words. The word 'red' is a noun and an adjective; the name of a colour, and the colour of an object.
Local colour is a phrase that tends to mean the feel or the characteristics of a place. It tends to be something of note in the local area that makes it distinct from somewhere else.
"Fire in the hole" is a phrase usually used by bomb technicians when they are about to set off an explosion.
It means that you are far from the truth, or from the subject of the conversation.
It means that it didn't last - whatever it was wore off.