handbags at ten paces
 n.— «Then a scuffle broke out between Brentford’s Bates and Albion’s Bradley. “Handbags at 10 paces,” said Bobby Gould, Albion’s manager, with a glint in his eye.» —“Griffin Park statisticians sad to find that you cannot keep a Goodman down” by Neil Robinson Guardian (U.K.) Oct. 21, 1991. (source: Double-Tongued Dictionary)