Named after the equally tricky baseball pitch. And it will suck. throw a curveball: [verb - transitive] to give someone something unexpected. Another name for taking a shit. Learn more. When a catcher in baseball wants his pitcher to throw a curve ball he puts down two fingers and since taking a shit is commonly referred to as "going number two" this phrase is appicable when you have to poop. Definition of curveball in the Idioms Dictionary. Iâve come to believe that folks respond in one of three basic ways when life throws a curveball their way. âWhile I was in Double-A with the Cubs, my roommate got called into the office and was demoted to a Single-A club. The new round of layoffs really threw me a curveball . ... "I saw him throw a curveball to me a little earlier that kind of floated, ... curse at (someone or something) curse for; curse like a sailor; curse like a trooper; curse out; curse the day (one) was born; âSharing your beliefs with like-minded individuals in discussion groups can give you the spiritual grounding you need to cope with whatever curve ball life may throw your way.â âYou pride yourself on being ready for every sartorial curveball â¦ What does curveball expression mean? Sooner or later, life will throw you a curveball. This is the British English definition of throw someone a curve (ball).View American English definition of throw someone a curve (ball).. Change your default dictionary to American English. A particularly difficult issue, obstacle, or problem. throw (sb) a curve (ball) definition: 1. to surprise someone with something that is difficult or unpleasant to deal with: 2. to surpriseâ¦. The expressions throw a curveball and throw a curve mean to surprise someone, to do, say or want something unexpected.To throw someone a curveball or to throw someone a curve often means to do something that puts them at a disadvantage. For example: âThe boss really threw me a curveball when he told me Iâd have to work throughmy vacation.â Notes: This is also heard as just âthrow someone a curve.â He was leading our team in home runs and runs batted in and was the best offensive player we had, but he had to go down a level. What does the idiom â(To Throw Someone a) Curveballâ mean? When people talk about someone throwing them a curve ball, they are usually discussing some kind of intentional attempt to surprise. A single person or a group can throw a figurative curve ball, and sometimes the idiom can even be used in other contexts to describe completely random events, although those uses â¦ How to use curveball in a sentence. See more words with the same meaning: to take advantage of, cheat, trick . Definition: Say or do something unexpected to someone. curveball phrase. The phrases throw a curveball and throw a curve are derived from the American game of baseball.A curveball â¦ Worrying on the Sidelines? curveball definition: 1. in the sport of baseball, a throw in which the ball curves as it moves towards the player withâ¦. Learn more. Definition and synonyms of throw someone a curve (ball) from the online English dictionary from Macmillan Education.. The powers that be had ordained someone â¦ Curveball definition is - a slow or moderately fast baseball pitch thrown with spin to make it swerve downward and usually to the left when thrown from the right hand or to the right when thrown from the left hand.