1spur 
/ˈspɚ/ noun
plural spurs /ˈspɚ/ noun 1 [count] : a sharp pointed object that is attached to the heel of a horse rider's boot and that is pressed into the horse's side to make the horse go faster 2 [singular] : something that makes you want to do something or that causes something to happen : incentive — often + to ▪ The reward was offered as a spur to greater work/achievement. ▪ a spur to the imagination 3 [count] : a mass of sharp rock on the side of a mountain 4 [count] : a short section of railway track that leads from the main line
on/at the spur of the moment
◊If something is done on/at the spur of the moment, it is done immediately without planning.
▪ We decided on the spur of the moment to go to the beach. — see also spur-of-the-moment
▪ We decided on the spur of the moment to go to the beach. — see also spur-of-the-moment
win/earn your spurs
: to do something which shows that you deserve to be respected or noticed
▪ He earned/won his spurs by doubling the company's profits in the past year.
▪ He earned/won his spurs by doubling the company's profits in the past year.
