No - it is "can't make heads or tails of it." It means you cannot understand something at all, as if you cannot tell whether a coin has landed heads up or tails up.
get a leg up on
This is not an idiom that I have ever heard. Perhaps you mean an arm AND a leg, which is an exaggerated way of saying something is really expensive.
No, "daddy long leg" is not an idiom. It refers to a type of arachnid with long, thin legs, also known as a harvestman.
No, because you have used the term incorrectly. The idiom is YOU'RE pulling my leg, as in YOU ARE doing it."I know you're just pulling my leg when you say you can fly."
Oh yes, that is an idiom. There are no transactions in which someone literally gives one of his or her arms and legs as payment.
He told me I had won, but I thought he was pulling my leg.
I was just pulling your leg when I told you I won the lottery; it was just a joke to see your reaction.
An idiom is a phrase or expression that typically cannot be understood by the literal meanings of its individual words. For example, "break a leg" is an idiom used to wish someone good luck in a performance, but it does not literally mean to break a leg.
more then you could give or pay then priceless bodily limbs, that are expensive on black market"An arm and a leg" is an idiom that means an exorbitant or very high price paid for something. "Jeeze, did you see that they're charging an arm and a leg for a gallon of gas these days!"
It means.. Take action or Get going or Get moving or move quickerShake a leg means to hurry up. For example "Shake a leg we are already late for the game."
(The idiom means "expensive" or "overpriced.")"That waterfront property will cost me an arm and a leg.""Don't lose that watch, because it cost me an arm and a leg."
I Really Cant Answer That : /