an arm and a leg → as is an arm and a leg (a large amount of money): This car cost me an arm and a leg.
answer the call of nature informal (urinate or defecate): Please stop the car somewhere. I need to answer the call of nature.
ants in one’s pants (be restless or unable to sit still): This kid just can’t sit still; he must have ants in his pants.
armed to the teeth (armed with all needed weapons): The soldiers were armed to the teeth.
as a matter of course (as usual or expected): I always lock the door as a matter of course.
as a matter of fact (actually, in reality)
as good as one’s word (reliable and truthful): If Tony has said he’ll come, he will — he’s always as good as his word.
as is (in the present conditions; including any faults or problems): I also want to buy the car as is.