1. slang Inebriated with alcohol to some degree, especially resulting in being in very good spirits. Sam just kept ordering bottles of wine, so we were both pretty lubricated by the time we finished lunch.

2. slang Facilitated to transpire or function more easily. In all my years of experience in this job, money is still the very best thing to make sure a business deal is well lubricated. We sent over our best team to make sure the merger transition would be as lubricated as possible.