get into a rhubarb

slang To engage in a loud, rambunctious scuffle or squabble, especially during a baseball game. Primarily heard in US. Three players were thrown out of the game after they got into a particularly nasty rhubarb in the middle of the seventh inning. Do not get into a rhubarb with the ump. Are you trying to get thrown out of the game? The two teams got into a rhubarb after a brutal collision at home plate left the catcher sprawled in the dirt.