By "Let yourself go", people mean like just not taking care of your body, like just eating junk food and "fatty" food, not exercising, stuff like that. Not taking care of your body. It means to stop looking after yourself.
It is usually used to refer to health, so if you were slim or had muscles but now are fat and shapeless, you have let yourself go.
The meaning of the idiom suck it up is to stand up or stand tall amidst all troubles. It can also be reversed as "compose yourself", "bear your troubles", and "go on".
Depending on the tone of voice you use, "Knock yourself out" is an idiom that could mean "Go ahead", or "Show me" or "I don't really care what you do".
I'd say that's more of a true statement rather than an idiom. Prices never DO come down - they always go up.
This is not an idiom. A boardwalk is a type of pier, usually found at the seashore. It's dark and private underneath, so people go down there to kiss and make out.
The meaning of unleash is to let something go, to set free or to release.
The meaning of the idiom suck it up is to stand up or stand tall amidst all troubles. It can also be reversed as "compose yourself", "bear your troubles", and "go on".
It's not an idiom because you can figure out the meaning by context - you are willing to go through dangers or hardship for something or someone.
Depending on the tone of voice you use, "Knock yourself out" is an idiom that could mean "Go ahead", or "Show me" or "I don't really care what you do".
It means "to try it", a better way of saying it is "have a go at it" . happy speaking!
It means that everything is in place to carry on
"Have at it" means "give it a try". Another similar colloquialism or idiom would be, "Go ahead, knock yourself out", or "Go for it".
It means to let go
It's the herd mentality...everyone else is doing it, I will too.
It's short for "get a bite to eat" - it means to go have something to eat.
That usually pertains to a weapon discharging when you don't want it to.
It means to let go
This is not an idiom. An idiom is an expression whose meaning cannot be deduced from its elements. To go through fire and water for someone is easily understood to mean to make a special effort and to undergo difficulties for that person's sake.