Something that can happen really fast or in the "blink of an eye"
"Write it off" means to dismiss something.
To laugh allot
The meaning of the idiom "to slap the back off you" is fairly straightforward. It implies an exaggeration, that one would slap someone else so hard that their back would come off.
Can you figure out the meaning by defining the terms literally? No, so it is an idiom. Literally, it means to remove something, but figuratively it means for an airplane to get off the ground.
Wink wink ;-)
Showing off, being well dressed and flashy.
Nothing. To get off the hook, however, means to escape punishment.
It means being ticked off, or very mad.
Old sailing slang meaning to be no longer in danger.
To lose ones temper and react violently.
That usually pertains to a weapon discharging when you don't want it to.
Nothing. The correct idiom is "get OFF your high horse," meaning stop acting so conceited as if you are above everyone else.