Just what it seems to mean - someone has taken someone else out for drinks and dinner. You often hear this said of business acquaintances, that you "wined and dined' them during a business deal.
The phrase "Dine and dash" means to go to a restaurant to eat, and then leave quickly without paying.
To laugh allot
To "take off full blast" means to start quickly. The idiom refers to a motor or jet engine starting off at full blast or full throttle, which would be as fast as possible.
An idiom is something that does not mean what the phrase says literally, so yes. You can't actually laugh your head off.
Sorry, there is no such idiom as "at wit's put end to". "at wit's end" means you have tried every possible way to solve a problem but cannot do it and do not know what to do next. "put and end to" means to stop or put a stop to something.
The phrase "Dine and dash" means to go to a restaurant to eat, and then leave quickly without paying.
"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.
Showing off, being well dressed and flashy.
It means being ticked off, or very mad.
Nothing. To get off the hook, however, means to escape punishment.
Old sailing slang meaning to be no longer in danger.
To lose ones temper and react violently.
Something that can happen really fast or in the "blink of an eye"
That usually pertains to a weapon discharging when you don't want it to.