(do something) to excess
To do or indulge in something too much. I started to lose weight once I stopped regularly eating to excess. I'll go to the pub with you guys, but I'm not drinking to excess tonight—I have to be up early tomorrow.
drink to excess
To drink alcohol to the point of intoxication. This is an important event for me, honey, so please don't drink to excess and make a fool of yourself.
drink to excess
Euph. to drink too much alcohol; to drink alcohol continually. Mr. Franklin drinks to excess. Some people drink to excess only at parties.