Grass plant . It is another way to call the ballueca, cogulla or crazy oatmeal a weed of crops, especially in wheat. Its scientific name is Avena fatua or Avena sterilis. It belongs to the family Poaceae. Shaft or stretch marks that appear in the nose or mouthpiece. Ring or ring game. It can also mean lie, trick, falsehood. In Colombia it can also mean false, unreal, brought from the hair, fanciful, of a lot of imagination, imaginary.