keep one's eye in

keep one's eye in (third-person singular simple present keeps one's eye in, present participle keeping one's eye in, simple past and past participle kept one's eye in)

1. (chiefly UK) To keep in practice.
   • 1906 July 19, Mr. Crooks, The parliamentary debates, volume 161:

     A man must have some work to keep his eye in and his muscles at work.

   • 1968, John Le Carré, A Small Town in Germany, page 29:

     He'd have a beer first, just to keep his eye in; and afterwards he would have a little of the hard stuff.

   • 1981 July, Nadine Gorimer, “July's People”, in Mother Jones Magazine, volume 6, number 6, page 46:

     He went trap-shooting to keep his eye in, out of season

• get one's eye in