lose the dressing room
 v.— «The Irishman’s placidness was also perceived as a handicap in a job which requires infectious animation and this was confirmed by a player who said Brady had “lost the dressing room and when that goes, everything goes.”» —“Can Macari be Kellys’ hero?” by Glenn Gibbons Observer (U.K.) Oct. 10, 1993. (source: Double-Tongued Dictionary)