Can also be I have to see a man about a dog.
The phrase has several meanings but all refer to taking one's leave for some urgent purpose, especially to go to the bathroom or going to buy a drink. The original non-facetious meaning was probably to place or settle a bet on a race, thus dog or horse.
It means they have to go relieve themselves in the bathroom. To talk about a horse might be a reference to horse buying, or it could refer to the act of cleaning up the horse poop
That's not an idiom, it's just a statement. Someone is saying they got no response to a question or action.
She got mad.
you got it right
Meaning you snapped and got angry.
It should be "got her knickers in a twist." This is a funny idiom to refer to someone who is frustrated and angry. Think of how uncomfortable you would be if your underwear got all twisted up around your waist. In America, it's said as "got her panties in a twist."
This idiom comes from horse racing. You'd bet on whichever horse's nose would come in first. If you make a good guess, you're "on the nose."
Thomas Hobson. He was a stable owner who would hire out horses. Customers thought that they were free to choose any horse but in reality Hobson fixed it so they got the horse he decided.
That's not an idiom, it's just a statement. Someone is saying they got no response to a question or action.
She got mad.
got angry
you got it right
god
"Got nowhere" means accomplished nothing toward a goal.
You've got the idiom incorrect, so it doesn't mean anything. You might say "I've got the picture," which means "I see the situationa and understand it." You might also say "I get the picture," which means the same thing in a less formal way. You don't say "something" in the idiom.
This is an African American Idiom - "It Means ' They got Everything out of Me'; I worked Hard; I gave everything I got'
she really got the attention
Meaning you snapped and got angry.