dial it in verb2 •To set up in a perfect or complete way.The mechanic dialed in the bicycle before the customer picked it up. •To give a lackluster, uninspired, or timid performance (especially when capable of doing better); to phone it in.The actor simply dialed in his performance, leaving even his devoted fans disappointed with the show as a whole. formsdialed it in · dialled it in · dialing it in · dialling it in · dials it in