play (merry) hell with (someone or something)
(redirected from play merry hell with her)play (merry) hell with (someone or something)
informal To cause issues or disruptions for someone or something. This wonky Internet signal is playing merry hell with my site edits right now.
play hell with someone or something
Fig. to cause enormous disruptions with someone or something. (Use discretion with hell.) Your proposal would play hell with Gerry and his plans. This new event really plays hell with my schedule.