Conor McGregor knows a thing or 2 about putting people's lights out -- being a UFC champ and all -- and Thursday night he got a taste of his own medicine after a night of hard partying.
Conor was 3 sheets to the wind as he lay passed out in his car outside Delilah ... where there was a listening party of sorts for Drake's new album.
On the way to the club, Conor posted, "I’m on the way to @delilah right now to have them play it on blast.