bat an eyelash
To display a subtle emotional reaction, such as consternation, annoyance, sadness, joy, etc. Generally used in the negative to denote that the person in question did not display even a hint of an emotional response. Mary didn't even bat an eyelash when I told her I was moving out. That guy is dangerous. I heard he killed a man without batting an eyelash.
bat an eyelid
To display a subtle emotional reaction, such as consternation, annoyance, sadness, joy, etc. Generally used in the negative to denote that the person in question did not display even a hint of an emotional response. Mary didn't even bat an eyelid when I told her I was moving out. That guy is dangerous. I heard he killed a man without batting an eyelid.
bat five hundred
To be correct or successful around half of the time. Taken from baseball terminology, referring to the average times a player makes a hit when at bat (i.e. the batting average). One hit for every two at-bats is a .500 batting average. Primarily heard in US, South Africa. That math exam didn't go so well, I only batted five hundred or so. The market is so hit and miss at the moment, you can only really expect to be batting five hundred at best.
be (batting) on a losing wicket
To be in a situation in which one is unlikely or unable to win; to be doing something that is likely or certain to fail. Primarily heard in UK, Australia. Teachers who try to keep mobile phones out of their classrooms are on a losing wicket these days. The prime minister, knowing his party has been batting on a losing wicket regarding immigration reform, today announced a major U-turn in his position on the matter.
batting on a sticky wicket
In the midst of or dealing with a particularly awkward or difficult situation or circumstance. Refers to the pitch, called a "wicket," used in the game of cricket and the difficulty of playing on one after it has been wetted with rain. Primarily heard in UK, Australia. I found myself batting on a sticky wicket when the boss saw me kissing his daughter at the cinema. I'll be batting on a sticky wicket if I arrive at the train station and don't have enough money for the tickets!
bat a thousand
1. In baseball, to get a hit every time one is at bat (resulting in a batting average of 1.000). The slugger is still batting a thousand after a record eight at-bats.
2. By extension, to be successful in an endeavor or in multiple areas of one's life. I'm really batting a thousand this week—I got an A on my exam, I got the lead in the school play, and I won the poetry contest!
bat an eye
To display a subtle emotional reaction, such as consternation, annoyance, sadness, joy, etc. Generally used in the negative to denote that the person in question did not display even a hint of an emotional response. Mary didn't even bat an eye when I told her I was moving out. That guy is dangerous. I heard he killed a man without batting an eye.
bat around
1. To push an object around playfully. The cat has been batting around that toy for at least an hour.
2. To strike repeatedly. If I see my neighbor batting around his pets, I will call the police. I was small in high school, so I got batted around a bit, but I eventually learned to stand up for myself.
3. To exchange and contemplate ideas or suggestions. We did bat around other ideas, but that's the slogan we liked the best.
4. To wander aimlessly. I doubt he has a job—he's been batting around our West for awhile.
5. In baseball, to reach a team's first batter again in a single inning (because all of the team's batters have already batted in the inning). A: "It's still the top of the third inning?" B: "Yeah, the Cubs have batted around."
bat around
1. Hit something around, often with a baseball bat or other object, as in We batted the tennis ball around this morning. Originating in baseball, this term came to be applied to more violent action as well, as in Jerry left after being batted around by his father. [Slang; first half of 1900s]
2. Discuss or debate something, as in We batted the various plans around for at least an hour before we came to a decision. This usage transfers batting a ball to a back-and-forth exchange of ideas. [Slang; late 1800s]
3. Drift aimlessly, roam, as in After graduating, they batted around Europe for a year. [Slang; c. 1900]
without batting an eye
Showing no emotion, acting as though nothing were unusual. For example, Richard ate the snails without batting an eye. A related phrase is not bat an eye, as in He didn't bat an eye when she told him he was being laid off. These expressions, which use bat in the sense of "blink," date from about 1900.