More brilliant than brilliant, used while drunk and something happens or is said that is beyond brilliant
Person 1: "I think we should go to this party, they've got titty shots!"
Person 2: "That is Billiant!"
Person 2: "That is Billiant!"
by Derek Stuart May 18, 2007
When your enthusiastic about something but have no idea what it is or why you should care. Basically when your bored into a brain drunk fart by your present company, then some grinning idiot looks at you so you have to respond with a proportionate enthusiasm, and this is what flops out.
by aBilliantName March 31, 2017