(v.) an ability acquired by many students to create answers out of thin air and making it sound legitimate.
(n.) sometimes an outrageous and unbelievable thing called out by people.
Teacher: Dave, you did such an excellent job on your essay. And for it you got the highest grade.
Dave: Thank you, teacher! *when teacher walks away, Dave looks at his friend* Dude, I honestly didn't think I'd do well on it. I had no idea what to write and just bullshited it.
Alex: Yo! Einstein just got a hovercraft for his birthday!