It is word play. They started as a party supporting Uribe (that's where the U comes from), then became oppositors of him, so the meaning had to be retconned. A

It is word play. They started as a party supporting Uribe (that's where the U comes from), then became oppositors of him, so the meaning had to be retconned. And yes, political awareness in Colombia is a bit like an Internet forum: where memes are more prevalent than intelligent discourse.