Roflmgdao = Rolling on floor laughing my god damn ass off. Related to rofl, lmao,and roflmao. Usually used when someone says something a bit funnier than something that would call for a rofl or a roflmao.
Dude 1: Dude you won't believe what happened to me today!
Dude 2: What?
Dude 1: I woke up and smelled somethin weird right?...so when i looked my cat was sitting with its butt in my face!
Dude 2: Roflmgdao!
Dude 2: What?
Dude 1: I woke up and smelled somethin weird right?...so when i looked my cat was sitting with its butt in my face!
Dude 2: Roflmgdao!
by Enrai November 15, 2008
by swedishbasteve October 13, 2011