The 1-2 is when you punch somebody once with one hand, and then quickly punch them again with the other hand. This is also known as the 1-2 mayweather, named after the UFC fighter.
WTF is everyone on about 2 girls 1 cup is one of the hottest videos on the net, after i saw it i signed up for the full movie. it shows two hot chicks vomiting and shitting on each other and into a cup, and eating the shit and vomit.