Twyble Attack

The Twyble Attack, 1. Nc3 c5 2. Rb1, sets aside the normal continuations 2. e4 and 2. Nf3 in favor of a rook move that does nothing for development or for the fight over the center. Moving the rook also gives up the right to castle queenside. The line is regarded as a meme variation, chosen to mock or provoke an opponent rather than to gain anything from the opening, and Black is left free to develop as desired.